She displays signs of suppressed ______ emotions.

Bottled up describes repressed emotions held back internally. This question tests idiomatic expression knowledge. Emotion is too general and recalcitrant means stubborn not fitting. Bottled up conveys emotional restraint vividly. Understanding idioms enhances language fluency. Correct usage ensures precise expression in writing or speech. This phrase is vital for analyzing emotional contexts in professional or academic discussions ensuring accurate depiction in reports or conversations about psychology or human behavior strengthening comprehension of nuanced English expressions.