HSK 4
师傅
shīfu名
master; qualified worker; respectful form of address for older men
修车师傅很快找到了问题。
Xiū chē shī fu hěn kuài zhǎo dào le wèn tí.
The mechanic quickly found the problem.
Say it
Hold the button, say it, then let go.
Other HSK words sharing a character
Also free:
New in the HSK 3.0 word list at level 4.