Husband and wife should stick together through thick and thin.
Tips
history
From 《孙子·九地》: '夫吴人与越人相恶也，当其同舟共济，遇风，其相救也如左右手。' Sun Tzu notes that even the bitter enemies Wu and Yue, when sharing a boat in a storm, would help each other like left and right hands.
usage
Positive — marriage, friendship, coalitions, corporate teams. Often paired with 患难与共 (share hardships) or 同甘共苦 (share weal and woe) for emphasis.
