他的解释存在不少疑点。
His explanation has many doubtful points.
疑点
a doubtful point
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.
疑
点
Nice writing!
Build with these blocks
Chinese words snap together like bricks. Every word below shares a character with this one, so you are already halfway to knowing it.
疑
See it in sentences
他的话有不少疑点。
His words have quite a few questionable points.