咬
定
牙
根
y
ǎ
o
d
ì
n
g
y
á
g
ē
n
Definitions
1. see 咬緊牙關|咬紧牙关[yao3 jin3 ya2 guan1]
Components
咬定
yǎo dìng
–
to assert
牙根
yá gēn
–
root of tooth