a bolt from the blue 晴天霹雳: Z3 k0 R3 T! g- K/ }8 l% }3 f
a piece of cake 轻而易举 7 m. l1 [* Y; C; t) }above board 光明正大, ~' ~% L3 Y) z4 E
against the clock 分秒必争0 q1 E8 J9 p% T; X6 k) w
all thumbs 笨手笨脚" }; k) M; i- z t B* s) f: c9 r
all wet 大错特错* K* o8 `1 J) E( a4 E
ants in sb.'s pants 坐立不安& g* v7 V1 y$ Q
apple-pie order 井然有序