Definition (成长)
To grow a new tooth; usually referring to babies.
( 婴儿 ) 长出新牙。
The baby is cutting a tooth, which explains why she's been so fussy.
宝宝正在长牙，这解释了她最近为什么这么烦躁。
It seems my niece is cutting a tooth; she's constantly trying to bite things.
看来我的侄女在长牙；她一直在试着咬东西。
Babies often have trouble sleeping at night when they are cutting a tooth.
婴儿在长牙时通常晚上会睡不好。