tâm sức

== Vietnamese == === Etymology === tâm +‎ sức. === Pronunciation === (Hà Nội) IPA(key): [təm˧˧ sɨk̚˧˦] (Huế) IPA(key): [təm˧˧ ʂɨk̚˦˧˥] ~ [təm˧˧ sɨk̚˦˧˥] (Saigon) IPA(key): [təm˧˧ ʂɨk̚˦˥] ~ [təm˧˧ sɨk̚˦˥] === Noun === tâm sức synonym of tâm lực