我察觉到他有点紧张。
I noticed he was a bit nervous.
to sense; to perceive; to become aware of
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.
我察觉到他有点紧张。
I noticed he was a bit nervous.
大家未察觉她的变化。
No one noticed her change.