a bolt from the blue 晴天霹雳- e0 x% u$ H. R3 Q" u: V+ h7 `
a piece of cake 轻而易举 5 Z9 u( S: |$ c. p- O s- Rabove board 光明正大- k' Q- t7 {. F" J5 W3 g( P& Q
against the clock 分秒必争4 y, F! u% w. Y
all thumbs 笨手笨脚) V$ K. U' A; D$ z0 A; l
all wet 大错特错4 X' c3 m: A6 y; l
ants in sb.'s pants 坐立不安 1 I0 l: ~" S$ p' ~apple-pie order 井然有序