感謝の言葉もありません かんしゃのことばもありません I can't find the words to thank you; I can never thank you enough exp Advanced ➥
感謝の言葉もない かんしゃのことばもない unable to find the words to thank someone; unable to thank someone enough exp adj-i Advanced ➥
無症状感染 むしょうじょうかんせん asymptomatic spread (of an infectious disease); silent infection; subclinical infection n Advanced ➥