up one's sleeve片語

片語

1. 1

   暗中準備、另有妙計、留有一手

   She lost the first round, but she still had a plan up her sleeve.

   她第一輪輸了，但心裡還藏著一套計劃。

2. 2

   王牌、秘密武器

   The team kept one talented striker as an ace up their sleeve.

   球隊把一名出色的前鋒留作王牌。