The Chinese word for tool is
工具

gōng jù

Chinese Definition

Components
工
1. labour; work
工作 - work
罷工 - to strike
偷工減料 - to do shoddy work and use inferior materials
2. (regional or dialectal, including, Southeast Asia) work; job; profession
你做什麼工？ - What is your job?
你失業\失咗失業\業咁耐，仲唔快啲搵返份工！ - It's been a while since you lost your job; you need to find a new job soon!
3. (Min Bei, Min Dong, Min Nan) working day; daytime; a day (24 hours)
4. worker; labourer
女工 - female worker
礦工 - miner
陶瓷工 - potter
工農 - workers and peasants
5. man-day
6. construction
工地 - construction site
竣工 - to finish construction
7. industry
化工 - chemical industry
8. engineer
9. skill; technique
10. to be good at; to be skilled in
11. delicate; exquisite; fine
工巧 - delicate; exquisite
12. (music) Kunqu gongche notation for the note mi (3).
13. (music) Cantonese opera gongche notation for the note mi (3).
具
1. tool; implement
家具 - furniture
文具 - stationery
玩具 - toy
工具 - tool; instrument; implement
器具 - utensil; implement; tool; ware; instrument
2. to possess; to have
具備 - to possess; to be equipped with
別具一格 - have a style of one's own
3. (literary) to provide; to furnish
4. (literary) ability; talent
5. (literary) to state; to report; to list

工具
1. n. (literally) tool; instrument; implement
書寫工具 - writing implement
營銷工具 - marketing tool
金融工具 - financial instrument
2. n. (figuratively) means; way; tool
交流工具 - means of communication
書是傳遞文明的工具。 - Books are the way in which civilization is transmitted.