The Chinese word for mechanic is
机械工人

jī xiè gōng rén

Chinese Definition

mechanic
1. 机械工
2. 机械修理工
3. 职工
4. 工匠
5. 机械技师
6. 技工
Components
机
1. Variant of 機
2. Alternative form of 几 (small table; stool)
械
1. weapons
2. implements; instruments
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).
人
1. man; person; people
人類 (rénlèi) - humans
那人是誰？ (Nà rén shì shéi?) - Who is that person?
嗰個人jan4-2 係邊個嚟㗎？ - Who is that person?
有人敲門了。 (Yǒurén qiāomén le.) - Someone knocked on the door.
2. a person associated with a particular identity or trait; -er
主持人 (zhǔchírén) - host
^北京人 (Běijīngrén) - Beijinger
香港人 - Hongkonger
3. body
人在心不在 (rén zài xīn bù zài) - the body is here but the heart is not
這兩天人不大舒服。 (Zhè liǎng tiān rén bùdà shūfú.) - I lit. the body haven't been feeling that well these few days.
今天上午你人在哪？ (Jīntiān shàngwǔ nǐ rén zài nǎ?) - Where have you been this morning?
4. everybody; everyone
人手.一冊 (rénshǒu yīcè) - It's a bestseller. (lit. Everyone has a copy.)
人所共知 (rénsuǒgòngzhī) - common knowledge
5. other people; others
人云.亦云 (rényún yìyún) - to follow the crowd (lit. to say what others say)
害人害己 (hàirénhàijǐ) - to harm others and onself
6. physical, psychological or moral quality or condition; character; personality
就我所知，他人不錯。 (Jiùwǒsuǒzhī, tā rén bùcuò.) - As far as I know, he is kind (lit. his personality is not bad).
我不知道他是什麼人。 (Wǒ bù zhīdào tā shì shénme rén.) - I don't know what kind of person he is.
佢到底係咩人嚟㗎？ - Exactly what kind of person is he?
7. manpower; worker; employee
我們公司正缺人。 (Wǒmen gōngsī zhèng quē rén.) - Our company is short on manpower right now.
8. talent; person of talent
9. (obsolete) common people; commoner
10. adult; grown-up
長zhǎng大成人 (zhǎngdà chéng'rén) - to grow up to be an adult
11. (Cantonese) (used as a dummy pronoun); someone; others
12. (Zhao'an Hakka) pluralizes a personal pronoun
?人、你人、佢人 (ngài ngìn, ngì ngìn, kì ngìn) - we, you all, they
13. (obsolete) sexual intercourse
人道 (réndào) - sexual intercourse
人事 (rénshì) - sexual intercourse
14. (obsolete) company; companion; friend
15. artificial; man-made
人禍 (rénhuò) - human disaster
16. (obsolete) human affairs; ways of the world
17. (obsolete) mortal world; earthly word
18. (obsolete) Alternative form of sc=Hani, 仁 (kernel, tr=rén)
19. (obsolete) Alternative form of sc=Hani, 仁 (charity, tr=rén)
20. (obsolete) Alternative form of sc=Hani, 仁 (loving; kind, tr=rén)
21. (Beijing) Lenition of rénjia.
別磨蹭ceng 啦，人在zǎi 外頭tou 等著着zhe 我們呢！ (Bié móceng la, rén zǎi wàitou děng zhe wǒmen ne!) - Stop dilly-dallying. He/She/They is/are waiting for us outside!, M-UIB
哎呀，人孩子zi 考上shang ^哈佛 ^大學啦，多出息xi 呀！ (Āiya, rén háizi kǎoshang Hāfó Dàxué la, duō chūxi ya!) - Geez, his/her/their kid got into Harvard University. How promising!, M-UIB
人別人ren 都不吱zī聲sheng兒r，就他把這zhèi 事兒r 給說出chu來lai 了。 - , M-UIB, Rén biéren dōu bù zīshengr, jiù tā bǎ zhèi shìr gěi shuō chulai le.
22. (Taishanese) paternal grandmother