a bolt from the blue 晴天霹雳 , Z, R ~3 ~1 N4 J5 u* Q: {a piece of cake 轻而易举 1 o7 ~1 ~" A1 m2 S4 {above board 光明正大 q R) T2 [+ c* o9 u9 f9 U& Zagainst the clock 分秒必争0 S' j: D$ H, a
all thumbs 笨手笨脚; Q$ l# V d o9 R* z
all wet 大错特错6 `" L. }1 ]* r# z* @; D' e
ants in sb.'s pants 坐立不安* R) `. `. {2 ?: R
apple-pie order 井然有序