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更新日期:2026-08-14
be on the up and upa. BrE informalto be becoming more successful变得更加成功:•a brilliant young player who is on the up and up事业蒸蒸日上的杰出年轻球员b. AmE spokenif a person or business is on the up and up, they are honest and do things legally〔人或企业〕诚实守法