immature 

  1. 形容詞
不成熟的, 未成熟的
(指不成熟)不懂事的
發育未全的
未完全發展的
未臻完美的, 粗糙的
成年人表現得: 幼稚的, 不夠成熟的
(地質)輕度侵蝕的

    同義字詞
adolescent,juvenile,young,youngish,youthful
adolescent,babyish,childish,infantile,jejune,juvenile,kiddish,puerile
adolescent,callow,green,inexperienced,juvenile,puerile,raw,unfledged,unformed,unripe,unripened

例句

  1. She sounds very immature and selfish .
  2. Immature teratomas are a type of cancer.
  3. He's younger than me and very immature .
  4. What is the mark of an immature believer?
  5. Immature has wing-tips blackish and no crest.