củng cố

== Vietnamese == === Etymology === Sino-Vietnamese word from 鞏固. === Pronunciation === (Hà Nội) IPA(key): [kʊwŋ͡m˧˩ ko˧˦] (Huế) IPA(key): [kʊwŋ͡m˧˨ kow˨˩˦] (Saigon) IPA(key): [kʊwŋ͡m˨˩˦ kow˦˥] === Verb === củng cố (transitive) to strengthen; to solidify; to consolidate; to fortify