keep one's chin up

(informal)remain cheerful in difficult circumstances

(非正式)不氣餒，不灰心

keep your chin up, we're not lost yet.

別灰心，我們還沒輸呢。

take it on the chin

endure or accept misfortune courageously or stoically

勇敢忍受不幸；坦然接受災(zāi)禍