a bolt from the blue 晴天霹雳( v. I/ s6 f- V# K# Z
a piece of cake 轻而易举 3 a$ X% [* a9 i/ S& gabove board 光明正大! f/ O) P5 M. V& @. V F7 w9 I3 F
against the clock 分秒必争 ' A0 T/ e9 ?' C8 y2 zall thumbs 笨手笨脚 % A7 }/ [) n# l3 B4 k2 X- Ball wet 大错特错2 S' I1 L6 V( P- Q# X8 Y
ants in sb.'s pants 坐立不安 o1 y. |2 Q2 |: }5 \( I4 g
apple-pie order 井然有序