– Manuscript – Welcome to English in a Minute! When you boil water, it lets off steam. But how do we use this phrase in a conversation? Let Off Steam Speaker A: What is wrong with that woman?Speaker B: Katie? Nothing. Why do you ask?Speaker A: Well, she's outside hitting a tree.Speaker B: She does that to let off steam.Speaker A: Look, we all need to let out our … [Read more...] about Let Off Steam (Idioms)