a bolt from the blue 晴天霹雳 1 [; P4 M, T8 M- ?4 ^a piece of cake 轻而易举 / r& S& f0 p3 C% K9 k+ Pabove board 光明正大- d, {. T% ~4 b. V
against the clock 分秒必争 , R6 u' j( j' k. e% {all thumbs 笨手笨脚 ) g! J4 t+ i- S" P& c/ Fall wet 大错特错7 S' P4 l J+ h. j# g
ants in sb.'s pants 坐立不安% q4 Z% H$ [- {" p
apple-pie order 井然有序