塞

塞

"塞" means "to fill," "to stuff," "to block," or "a fortress."

塞 is used as a verb meaning 'fit or squeeze something into a space.'

这个瓶口太小了，不能塞入果冻。

This bottle's opening is too small to fit the jelly in.

塞 is used as a noun meaning 'blockage or congestion,' specifically relating to traffic jams in this case.

由于塞车，我迟到了。

Due to the traffic jam, I was late.

塞 is used as a verb meaning 'to stuff or insert something into a space.'

我把书塞进背包里。

I stuffed the book into the backpack.