风雨同舟
in the same storm-tossed boat;stand together through thick and thin; share weal and woe;help each other in distress;share the same fate with;cast in one’s lot with
风雨同舟fēnɡ yǔ tónɡ zhōu
比喻共同经历患难。stand together through thick and thin, weather the same storms in the same boat, be in the same boat