唇齿相依

Traditional form:

唇齒相依

Pinyin (reading):

chúnchǐxiāngyī

Definitions:

• lit. as close as lips and teeth (idiom); closely related
• interdependent

Characters:

• 唇 - lips
• 齿 - teeth; gears, cogs; age
• 相 - mutual, reciprocal; equal; each other
• 依 - to rely on; to consent, to obey; according to

Traditional characters:

• 唇 - lips
• 齒 - teeth; gears, cogs; age
• 相 - mutual, reciprocal; equal; each other
• 依 - to rely on; to consent, to obey; according to