| flop down vi phrasalphrasal verb, intransitive: Verb with adverb(s) or preposition(s), having special meaning and not taking direct object--for example, "make up" [=reconcile]: "After they fought, they made up." | informal (lie, sit carelessly) (非正式用语) | 猛然躺下或坐下,一屁股坐下
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