buck up的用法和樣例：
例句
- The morning sunshine braced up his strength.
早晨的陽光使他精神振奮。 - The support of the students cheered up the losing team and they played harder and won.
學生們的助威使這個處于劣勢的隊伍精神振奮起來，他們努力拼搏，最后贏得了勝利。 - An extraordinarily large order bucked up all the staff.
一份特大訂單使全體員工歡欣鼓舞。
詞匯搭配
- buck up 精神振奮
