a bolt from the blue 晴天霹雳 ( w8 y4 @9 a# \( O/ la piece of cake 轻而易举 . D; x, ^$ q2 `above board 光明正大* K! C+ R+ e$ \& Q6 t
against the clock 分秒必争" l- N1 q. l) ~: }, J
all thumbs 笨手笨脚$ M- H$ O/ b; \# t) N( [- Z5 c
all wet 大错特错0 S* Z7 t: @* h5 i
ants in sb.'s pants 坐立不安) d/ t: E* ]& o2 x
apple-pie order 井然有序