他把问题分析得很透彻。
He analyzed the problem very thoroughly.
penetrating; thorough; incisive
Every character draws itself, stroke by stroke. Then grab the brush: trace it yourself and hear the word when you finish.
Nice writing!
Chinese words snap together like bricks. Every word below shares a character with this one, so you are already halfway to knowing it.
他把问题分析得很透彻。
He analyzed the problem very thoroughly.
他对这个领域了解透彻。
He has a thorough understanding of this field.