他给我留下了好印象。
He left a good impression on me.
impression (sth that stays in one's mind); a memory
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.
他给我留下了好印象。
He left a good impression on me.
我对他的印象很好。
I have a good impression of him.