他的想法很幼稚。
His thinking is childish.
幼稚
young; childish; puerile
adjective HSK 3.0 · Band 7
Watch it being written
Every character draws itself, stroke by stroke. Then grab the brush: trace it yourself and hear the word when you finish.
幼
稚
Nice writing!
See it in sentences
这种问题太幼稚。
Such questions are too childish.