牙缝

rén yào shi dào le méi hē liáng shuǐ dōu huì sāi yá fèng

人要是倒了霉，喝凉水都会塞牙缝。

An unlucky man would be dried even if you put him in a pot full of lard.

cóng yá fèng li jǐ chū huà

从牙缝里挤出话

force some words out from between clenched teeth

zhè diǎn fàn hái bù gòu wǒ sāi yá fèng de

这点饭还不够我塞牙缝的。

The food is far from adequate.

tī yá fèng

剔牙缝

pick one's teeth

tā dài yá gū lái jiǎo zhèng yá fèng dà de wèn tí

她戴牙箍来矫正牙缝大的问题。

She wore a brace to correct her gappy teeth.

shù kǒu shuǐ de chéng fèn néng shēn rù yá fèng kuài sù de qù chú yá gòu yá zì

漱口水的成分能深入牙缝，快速地去除牙垢，牙渍。

Mouthwash’s ingredients can penetrate between the teeth, and remove the tartar and teeth stains rapidly.