soup up [sth],
soup [sth] up vtr phrasal sepphrasal verb, transitive, separable: Verb with adverb(s) or preposition(s), having special meaning, divisible--for example, "call off" [=cancel], "call the game off," "call off the game." | slang (enhance: an engine, etc.) (俚语) | 加强…，加大（马力）
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