know one's stuff
[nəʊ wʌnz stʌf]

v.

精通自己的业务；有两下子；

权威例句

Strutting One's Stuff
Dean/Wolf-Architects blends one owner's love of stuff with the other's need for space in the Double-Weave-Loft
The 4 "P"s that Get Stuff Done – ONE's Jamie Drummond
The Strange and Burgeoning Market of Novelty Urns; A Vermont-Based Company Now Offers the Ability to Stuff One's Ashes in a Disembod...
Handymom's Guide to Grilling: The Fast, Easy Way to Smokin' Meals! [Paperback]
One's Deal for OTHER Harry stuff
A wise person who conducts oneself and does one's stuff
Artifact and Cultures-of-Use in Intercultural Communication.
It's All Turner Round; Catherine Jones Finds out How TV Presenter Lowri Turner Is Coping with Life as a Single Mother
Stuff the polybag! One circulator's ruminations about why those unsightly plastic packages should be sacked - periodical publishing