齐心协力，“一起拔河”

表达：Pull together  齐心协力

e.g. In times of crisis, communities pull together. 

e.g. I know we're behind schedule, but if we pull together, we should be able to get this finished on time.

补充：pull yourself together 振作起来

e.g. I know you're stressed out, but you need to pull yourself together