高空作业

to work high above the ground

surname Gao

high / tall / above average / loud / your (honorific)

high altitude

empty / air / sky / in vain

to empty / vacant / unoccupied / space / leisure / free time

worker / workshop / (slang) troublesome / high-maintenance (person)

to do; to engage in / to write; to compose / to pretend; to feign / to regard as; to consider to be / to be; to act the part of / to feel (itchy, nauseous etc) / writings; works

school assignment / homework / work / task / operation / CL:個|个[ge4] / to operate

surname Ye

line of business / industry / occupation / job / employment / school studies / enterprise / property / (Buddhism) karma / deed / to engage in / already