他不禁笑了起来。
Tā bùjīn xiào le qǐlái.
English
He could not help laughing.
can't help
can't help (doing sth); can't refrain from
Every character draws itself stroke by stroke, then hands you the brush to trace it yourself.
Nice writing!
他不禁笑了起来。
Tā bùjīn xiào le qǐlái.
He could not help laughing.
看到照片我不禁哭了。
Kàn dào zhàopiàn wǒ bùjīn kū le.
Seeing the photo, I could not help crying.
Chinese words snap together like bricks. Every word below shares a character with this one, so you are already halfway to knowing it.