a bolt from the blue 晴天霹雳: l! B$ r# j2 s+ i& w
a piece of cake 轻而易举) T3 m8 |# v% O8 ~
above board 光明正大 6 |5 ?3 Y2 q% v, _: R- }! q$ S, u' aagainst the clock 分秒必争. _0 y* T% N& P! }* Y% \
all thumbs 笨手笨脚% |( \1 I% t1 l) y" M) G
all wet 大错特错( l W6 I4 d8 s
ants in sb.'s pants 坐立不安 " M" D/ d6 a% H; Japple-pie order 井然有序