teach grandma how to suck eggs
动词 v.
英文释义
动词 v.
-
To tell an expert how to do things.
— Madam, reply’d Joler, you would have me teach my Grandame to ſuck Eggs, or ſet up for a Lent Preacher.
词形变化
词源
First attested circa 18th century, from Spanish: see quotation.
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数据来源: Wiktionary