Why You Understand a Foreign Language But Can’t Speak It
- 8 hours ago
- 4 min read
Eleonore Bronswijk-Marmeuse is a French hypnotherapist specialised in language education under hypnosis, with over ten years of experience in the field. She is the founder of Heart of Language, an international institute focused on helping adults learn to speak new languages more efficiently and comfortably.
Many people become surprisingly silent in another language. Not because they lack knowledge, but because something shifts internally the moment they feel observed.

What happens when you try to speak
Understanding a language and speaking it are two very different tasks. When you listen or read, your brain focuses on recognising and interpreting meaning. Speaking is more demanding. It requires finding words, organising them into sentences, and pronouncing them in real time.
Our inner critic gets in the way
Many people become aware of how they sound. They worry about mistakes, often judging themselves more harshly than anyone else would. This adds another layer of mental demand. This is why someone can understand almost everything, yet struggle to speak fluently.
Why inner pressure affects fluency
Speaking a foreign language requires not only language skills but also cognitive space. Working memory, the mental space we use to hold and manipulate information, is limited. When that space is occupied by self-evaluation or worry, fewer resources remain for finding words and forming sentences.
When attention shifts under pressure
Research in cognitive psychology shows that even mild stress can reduce working memory capacity. Under pressure, the brain allocates more attention to monitoring performance and less to expressing yourself.
This is why fluency often drops when we feel observed, evaluated, or judged. It is not a lack of knowledge. It is that attention shifts away from speaking and toward self-evaluation.
Why fluency requires automaticity
Fluent speech does not rely entirely on conscious control. Parts of it need to run automatically.
When we speak our native language, we do not consciously construct every sentence. Words and structures are produced with minimal effort. This allows attention to remain on meaning rather than mechanics.
When we try too hard
In a foreign language, automaticity is still developing. If we try to consciously manage every word, every verb ending, and every pronunciation detail, the process slows down.
Research on skilled performance suggests that excessive conscious control can interfere with tasks that would otherwise flow naturally. Language production is no exception.
Fluency improves not when we control more, but when we allow certain processes to take place with less interference.
How the nervous system influences fluency
Fluency is not only cognitive. It is also physiological. When we feel observed or under pressure, the body shifts into a more alert state. The breath becomes shorter. The voice can tighten. Words feel less available. Speaking becomes more difficult.
When the body works with you
When we feel safe, the opposite happens. Breathing deepens. The voice regains its ease. Words come more easily. Speaking feels more natural. The result is a more confident way of speaking.
Access to previously learned words and structures becomes easier. New words and grammatical structures can be integrated with greater ease.
Your knowledge is already enough
Many adults assume that struggling to speak a foreign language means they need more vocabulary, more grammar, or more practice.
Sometimes that is true. But often, the issue is not the quantity of knowledge. It is the conditions under which that knowledge is learned and accessed.
What does fluency really require?
Fluency is rarely built through intellectual effort alone. It develops when unnecessary internal pressure is reduced, when automatic processes are allowed to take place, and when the nervous system can remain calm. When those conditions are present, speech often improves without adding anything new.
Beyond the conventional approach
Understanding this changes how we approach language learning. Instead of forcing performance, we can focus on strengthening both competence and the internal conditions that support fluency.
Why hypnosis can support language learning
Hypnosis is often misunderstood. In an educational context, it is not about losing control or becoming passive. It is an effective method of guiding attention and reducing internal interference.
In a deeply relaxed state, internal monitoring decreases. The nervous system becomes calmer. Attention is no longer divided between expressing yourself and evaluating how you sound.
How hypnosis supports fluency
This creates favourable conditions for both learning and retrieving previously learned material. Vocabulary and structures that once required significant effort can become more accessible. New elements can be integrated with less internal resistance.
As positive experiences build and reinforce each other, confidence naturally increases. This makes it easier to use the language more freely in real situations, rather than holding back or overthinking every sentence.
Hypnosis in language learning does not replace practice. It optimises the internal state in which practice takes place.
If you are curious how this works in practice, you can learn more about this approach at Heart of Language.
Read more from Eleonore Bronswijk-Marmeuse
Eleonore Bronswijk-Marmeuse, Founder, Heart of Language
Eleonore Bronswijk-Marmeuse is the founder of Heart of Language, an international institute pioneering language education under hypnosis. With over ten years of experience as a hypnotherapist, she specialises in helping adults learn to speak new languages more efficiently and with greater ease. Her own experience of struggling to learn Dutch inspired her to deepen her work with hypnosis in language learning and to support adults facing similar barriers. Through her writing, she examines how hypnosis, EFT, and neuroscience can reshape adult language learning.









