(tǎng) to drip; to trickle; to shed (tears)
(tǎngxià) to let drip; to trickle down; to shed (tears)
(tǎngkǒushuǐ) to let saliva dribble from the mouth; to slobber
(tǎnglèi) to shed a tear
(tǎngyǎnlèi) to shed tears