pull a muscle
US /pʊl ə ˈmʌsl/
UK /pʊl ə ˈmʌsl/

1.
拉伤肌肉, 扭伤肌肉
to injure a muscle by stretching it too much
:
•
I think I pulled a muscle in my back while lifting that heavy box.
我想我搬那个重箱子的时候拉伤了背部肌肉。
•
Always warm up properly before exercising to avoid pulling a muscle.
运动前务必充分热身,以避免拉伤肌肉。