thoái trào

== Vietnamese == === Etymology === Sino-Vietnamese word from 退潮. === Pronunciation === (Hà Nội) IPA(key): [tʰwaːj˧˦ t͡ɕaːw˨˩] (Huế) IPA(key): [tʰwaːj˨˩˦ ʈaːw˦˩] (Saigon) IPA(key): [tʰ⁽ʷ⁾aːj˦˥ ʈaːw˨˩] === Verb === thoái trào (of a wave, movement or trend) to decline; to subside