Subject + 咽 + Object
咽 (yàn) means "to swallow." It describes the action of moving food or liquid down the throat, and is often used in contexts describing difficulty eating or swallowing.
药片太大了,我咽不下去。
Yàopiàn tài dà le, wǒ yàn bú xiàqù.
The pill is too big; I can't swallow it.
他紧张得连口水都咽不下。
Tā jǐnzhāng de lián kǒushuǐ dōu yàn bú xià.
He was so nervous he couldn't even swallow his saliva.
慢慢嚼,别急着咽。
Mànmàn jiáo, bié jízhe yàn.
Chew slowly, don't rush to swallow.