know one's stuff

پیشنهاد کاربران

حرفی واسه گفتن داره
Some body has a very know how about something
My father is a teacher, he knows his stuff
پدرم یک معلم است، او کارش رو خوب بلده
کار دان بودن، کار بلد بودن، ( کسی ) کاری را خوب بلد بودن یا مهارت داشتن. مثال:
Amy has been an auto mechanic for 30 years. He really knows his stuff.
To have an expertise ina field

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