七手八腳

(idiom) with everyone lending a hand (eagerly but somewhat chaotically)

seven / 7

hand / (formal) to hold / person engaged in certain types of work / person skilled in certain types of work / personal(ly) / convenient / classifier for skill / CL:雙|双[shuang1],隻|只[zhi1]

eight; 8

foot / leg (of an animal or an object) / base (of an object) / CL:雙|双[shuang1],隻|只[zhi1] / classifier for kicks

variant of 角[jue2] / role