颔

颔下

hàn xià

under one's chin

黄颔蛇

huáng hàn shé

adder (zoology)

上颔

shàng hàn

mandible

下颔

xià hàn

lower jaw; mandible

下颔骨

xià hàn gǔ

lower jawbone

颔下腺

hàn xià xiàn

submaxillary glands (biology)

颔联

hàn lián

third and fourth lines (in an eight-line poem) which form a couplet

颔首

hàn shǒu

to nod one's head

颔首之交

hàn shǒu zhī jiāo

nodding acquaintance