Last Updated
：2025/11/25
know one's stuff
Verb
informal
intransitive
Japanese Meaning
その分野に精通している / その分野について知識が豊富である / 専門知識を持っている
Sense（1）
（ present singular third-person ）
（ participle present ）
（ past ）
（ participle past ）
Quizzes for review
(intransitive, informal) To be knowledgeable in a particular field.
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See correct answer
know one's stuff
Anyone who wants to teach programming effectively must know one's stuff.
See correct answer
Anyone who wants to teach programming effectively must know one's stuff.
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English - English
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