a bolt from the blue 晴天霹雳" g1 \" Z" w% f/ C* l
a piece of cake 轻而易举 2 q! V% {9 E+ q$ xabove board 光明正大* A! B5 a4 q8 W/ @+ O- p2 A
against the clock 分秒必争) P8 J- G; } ]" c& Q7 Q' K
all thumbs 笨手笨脚 : D: E$ u1 C) a1 g" pall wet 大错特错+ S" L/ ~' l; Q* {" v; q: B
ants in sb.'s pants 坐立不安: g9 v0 U6 E$ ~$ ?" b9 j; G
apple-pie order 井然有序