他的基础很薄弱。
His foundation is weak.
weak; frail
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.
他的基础很薄弱。
His foundation is weak.
这个环节比较薄弱。
This part is rather weak.