a bolt from the blue 晴天霹雳$ s4 M3 r. }( E) s+ K
a piece of cake 轻而易举6 N: Z, X. D1 K+ m
above board 光明正大 ( V" O4 K" @7 L/ a% ragainst the clock 分秒必争8 N8 s x8 N5 K: y
all thumbs 笨手笨脚 . V3 H' r4 ?! v$ @: q% yall wet 大错特错 4 g7 C) y9 B3 e& ~$ S. p) ^- Hants in sb.'s pants 坐立不安 $ W' ]' ?! |% v) H7 A* Q6 yapple-pie order 井然有序