ONE PHRASE, IN CONTEXT

know one's stuff

很懂行；业务熟练

口语习语与口号人物与日常建议进阶影视口语精选

类型主题插画

GET TO KNOW THE MEANING

读懂它，也学会这样说。

1 个义项

很懂行；业务熟练

非正式。stuff 指某领域的知识和技能。

IN A SENTENCE

She really knows her stuff about engines.
发动机方面，她确实很懂行。

来源：Expression 原创口语语境例句 — 人物与日常 — 2026-11-07 · Expression / AI 原创例句段 spoken-starter-72554dc6e2232cf7-1项目 AI 原创口语例句；不是影视、采访或脱口秀原句

"Can we trust this mechanic?" "He knows his stuff. He fixed it just by listening."
“这位机修师靠谱吗？”“他很懂行，光听声音就把它修好了。”

来源：Expression 原创口语语境例句 — 人物与日常 — 2026-11-07 · Expression / AI 原创例句段 spoken-starter-72554dc6e2232cf7-2项目 AI 原创口语例句；不是影视、采访或脱口秀原句 Chinese translation reviewed by Expression on 2026-11-07; original source locator retained. First-party teaching sentences may also receive an editorial wording correction.