up-and-coming

up-and-coming
adj (infml 口) (of a person) making good progress; likely to succeed (esp in a career) （指人）进步很大的, 很可能成功的（尤指在事业上）
    an ,up-and-coming young `barrister 年轻有为的讼务律师.

牛津英汉双解词典