share weal and woe 患难与共；同甘共苦；有福同享，有难同当

【例句】
We must share weal and woe.
我们必须同甘共苦。

Before getting married, he swore that he would share weal and woe with me but now, heabandoned me at a time when my health is threatening my life.
结婚前他发誓说要和我同甘苦，共患难的，可是在我病危之际他却抛弃了我。