Last Updated
：2025/11/28
know one's onions
Verb
idiomatic
Japanese Meaning
その分野に対して十分な知識と能力を持っている / 精通している、熟達している / よく知っており、能力や技術に優れている
Sense（1）
（ present singular third-person ）
（ participle present ）
（ past ）
（ participle past ）
Quizzes for review
(idiomatic) To be knowledgeable about, and competent at, a particular subject or task.
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know one's onions
To know one's onions when it comes to culinary techniques, you need years of hands-on experience.
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To know one's onions when it comes to culinary techniques, you need years of hands-on experience.
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English - English
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