Don't hold me back 不要扯我後腿/ Can't hold it in 忍不住

[易搞混]
 Don't pull me back  = drag me backward
指的是身體上的拉著我 

Can't hold it in 忍不住

Don't hold me back 才是扯後腿

[例句]
I won't let fear hold me back from pursuing my dreams.