a bolt from the blue 晴天霹雳. {/ E/ t) R" l# z0 Y
a piece of cake 轻而易举. w5 v W" T+ z8 m
above board 光明正大 3 ? r- S: j! E& Qagainst the clock 分秒必争# v: @" b& S7 a8 R$ E
all thumbs 笨手笨脚 3 O! [$ u' `( `9 W; eall wet 大错特错/ X6 |& y \: v% e' B( `7 l3 w
ants in sb.'s pants 坐立不安) }" r( x( o) j# F$ R
apple-pie order 井然有序