hang (/pull) together;join in a common effort; make common cause with;make concerted efforts; take concerted action; work as one man (/with one heart) ❍ 我们大家齐心合力，一定能打败他们！ (吴强《红日》109) If we all pull together there’s no doubt we can beat them!
齐心协力
act in concert 只要大家～，困难是可以克服的。The difficulties can be overcome with our concerted efforts.
齐心协力qí xīn xié lì
万众一心，共同努力。work as one, take concerted action, shoulder to shoulder, pull together, be of one heart