trầm tĩnh

== Vietnamese == === Etymology === Sino-Vietnamese word from 沉靜, composed of 沉 (“to sink, to submerge”) and 靜 (“quiet, silent”). === Pronunciation === (Hà Nội) IPA(key): [t͡ɕəm˨˩ tïŋ˦ˀ˥] (Huế) IPA(key): [ʈəm˦˩ tɨn˧˨] (Saigon) IPA(key): [ʈəm˨˩ tɨn˨˩˦] === Adjective === trầm tĩnh quiet; calm; serene; placid Synonym: điềm tĩnh