a bolt from the blue 晴天霹雳0 F( k. T& Z' T6 c: d
a piece of cake 轻而易举% K/ d5 r" ?3 M
above board 光明正大 # u' h/ w3 H/ n9 q7 Qagainst the clock 分秒必争 ) S( j+ C [1 P4 G" Call thumbs 笨手笨脚* N3 O* G; o( A" F
all wet 大错特错+ r5 K& T2 p( p( f
ants in sb.'s pants 坐立不安 9 d) ]) ]" _! S0 g4 y" Q, v {apple-pie order 井然有序