through thick and thin
US /θruː θɪk ænd θɪn/
UK /θruː θɪk ænd θɪn/
1.
患难与共, 不离不弃
through good times and bad times; in spite of all difficulties
:
•
They promised to stick together through thick and thin.
他们承诺患难与共。
•
A true friend supports you through thick and thin.
真正的朋友会患难与共地支持你。