adj.幼稚的,稚嫩的,
Merriam-Webster Online Dictionary
callow (adjective)lacking adult sophistication - immature callow youth
Merriam-Webster Online Thesaurus
callow (adjective)lacking in adult experience or maturity
SYNONYMS:
adolescent, green, immature, inexperienced, juvenile, puerile, raw, unfledged, unformed, unripe, unripenedRELATED WORDS:
babyish, childish, infantile, infantilized, infantine; boyish, girlish, juvenescent, kiddish, young, youngish, youthful; maidenly, virginal; ingenuous, innocent, naive ( naïve), tender; unknowing, unseasoned, unsophisticated, untrained, untriedNEAR ANTONYMS:
advanced, precocious; knowing, savvy, sophisticated, worldly, worldly-wise