loosen up

动词 loosen up:

1. cause to become unblocked
   同义词：unstuff
2. become less tense, less formal, or less restrained, and assume a friendlier manner
   同义词：relax
3. make one's body limber or suppler by stretching, as if to prepare for strenuous physical activity
   同义词：limber up, warm up
4. become less tense, rest, or take one's ease
   同义词：relax, unbend, unwind, decompress, slow down
5. cause to feel relaxed
   同义词：relax, unstrain, unlax, unwind, make relaxed

1. I stretch to loosen up.
   我伸展身体。
2. Don't be so nervous loosen up a bit.
   别那麽紧张--放松一点。
3. You should loosen up (your muscles) before playing any sport.
   运动之前应先放松(肌肉).
4. I must take some exercise and loosen up my muscles.
   我必须运动一下放松放松肌肉。