trấn tĩnh

== Vietnamese == === Etymology === Sino-Vietnamese word from 鎮靜. === Pronunciation === (Hà Nội) IPA(key): [t͡ɕən˧˦ tïŋ˦ˀ˥] (Huế) IPA(key): [ʈəŋ˦˧˥ tɨn˧˨] (Saigon) IPA(key): [ʈəŋ˦˥ tɨn˨˩˦] === Verb === trấn tĩnh to keep one's head cool; to calm oneself down