[Idiom] LET OFF STEAM. - Understand Common English Phrases for Emotional Expression

Release pent-up energy or emotions.

When someone "lets off steam," they are finding a way to express pent-up emotions or relieve stress. This idiom likens emotional or psychological pressure to the steam that builds up inside a steam engine. When the pressure becomes too much, steam needs to be released to prevent the engine from overheating, much like humans need an outlet for stress.

Example Sentences

1. After a stressful week, he went running to let off steam.

   After a stressful week, he went running to release his stress.

2. Sometimes, you just need to shout to let off steam.

   Sometimes, you just need to shout to release your pent-up emotions.

3. She punched a pillow to let off steam and felt much better afterwards.

   She punched a pillow to vent her frustration and felt much better afterwards.