What, you pull a muscle or something?

怎么你肌肉拉伤了？

youdao

'Make sure you warm up nicely before attempting this exercise. You don't want to pull a muscle.'

注意在做这套运动之前先得好好地热身。你不希望扭伤肌肉。

youdao

I hated running just for the sake of running, yet I would try to run daily and usually pull a muscle or two.

我讨厌为了跑步而跑步，但我却试图天天跑步，通常就是拉动一两块肌肉。

youdao

But his hopes of ending the century on a high were shattered when a thigh muscle injury saw him pull out of the Paris Open in November, so ending his chances of booking a place in the season-ending ATP World Championships.

BBC: New injury blow for Rusedski