thông thuộc

== Vietnamese == === Etymology === (This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.) === Pronunciation === (Hà Nội) IPA(key): [tʰəwŋ͡m˧˧ tʰuək̚˧˨ʔ] (Huế) IPA(key): [tʰəwŋ͡m˧˧ tʰuək̚˨˩ʔ] (Saigon) IPA(key): [tʰəwŋ͡m˧˧ tʰuək̚˨˩˨] === Verb === thông thuộc to know by heart; to be versed in