know what you are doing Meaning in the Cambridge English Dictionary
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Meaning of “know what you are doing” in the English Dictionary

"know what you are doing" in British English

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know what you are doing

to have the ​skills and ​knowledge to do something ​effectively: You don't need to ​tell me - I know what I'm doing!
(Definition of know what you are doing from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"know what you are doing" in American English

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know what you are doing

to have the ​knowledge or ​experience that is ​necessary to do something: Don’t ​worry about me – I know what I’m doing!
(Definition of know what you are doing from the Cambridge Academic Content Dictionary © Cambridge University Press)
Translations of “know what you are doing”
in Chinese (Simplified) 掌握了有效地做某事的技能和知识…
in Chinese (Traditional) 掌握了有效地做某事的技能和知識…
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