a bolt from the blue 晴天霹雳2 s* Z2 h1 J* S) Y* n# q
a piece of cake 轻而易举 ; g$ n d8 j& M; |6 ] xabove board 光明正大 " m! p' m" |2 p: d! ]against the clock 分秒必争1 Y! I$ V( \: V. N
all thumbs 笨手笨脚 D2 q V2 ^; d7 m1 Z
all wet 大错特错3 h2 ?9 ]) U& r/ [# f! e& o
ants in sb.'s pants 坐立不安( |2 [, G: R- o8 @) u2 }* Q
apple-pie order 井然有序