an giấc ngàn thu

== Vietnamese == === Etymology === (This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.). === Pronunciation === (Hà Nội) IPA(key): [ʔaːn˧˧ zək̚˧˦ ŋaːn˨˩ tʰu˧˧] (Huế) IPA(key): [ʔaːŋ˧˧ jək̚˦˧˥ ŋaːŋ˦˩ tʰʊw˧˧] (Saigon) IPA(key): [ʔaːŋ˧˧ jək̚˦˥ ŋaːŋ˨˩ tʰʊw˧˧] === Verb === an giấc ngàn thu (idiomatic) synonym of yên giấc nghìn thu