buck up片語動詞KK [bʌk ʌp] /bʌk ʌp/發音片語動詞1振作起來、打起精神口語Buck up — the worst part of the week is already over.振作起來吧,這週最難熬的部分已經過去了。2使振作、鼓舞、激勵可拆開A short walk and some coffee bucked her up a little.散了一小段步、喝了點咖啡,她精神稍微好了些。3加強、改進、提升口語The team needs to buck up its defense before the final.球隊得在決賽前加強防守。4快點、動作快英式、舊式Buck up, or we'll miss the last train home.快點,不然我們會錯過回家的末班車。