a bolt from the blue 晴天霹雳: i/ M/ N0 b5 N) g* [/ b
a piece of cake 轻而易举 ! [4 U5 ?# F+ n3 D& M' uabove board 光明正大7 h; T& d+ o. b/ { O' B
against the clock 分秒必争0 I, \3 G- U& A. H B0 w
all thumbs 笨手笨脚 8 b5 c$ W8 y1 F0 N8 b2 b1 Iall wet 大错特错, \% T2 D% F3 |2 J: |$ y' S u% C
ants in sb.'s pants 坐立不安6 P3 ^% l2 e& L% c* l2 |
apple-pie order 井然有序