The phrase “under the gun” is an idiom that means to be under pressure or in a difficult situation. It can also mean to be forced to do something quickly or urgently. The origin of this expression is unclear, but it may have something to do with being threatened with a gun or being in a dangerous situation involving guns. Here are some examples of how to use this idiom in sentences:
- She was under the gun to finish her project by the deadline.
- He felt under the gun when his boss asked him to explain his mistake.
- They were under the gun to evacuate their home before the hurricane hit.
