慨叹

慨叹	kǎi tàn	to sigh with regret / lament
慨	kǎi	old variant of 慨 / to sigh (with emotion)
慨	kǎi	indignant / generous / to sigh (with emotion)
叹	tàn	to sigh / to exclaim
叹	tàn	variant of 叹