甚是

甚是	shèn shì	(literary) very; extremely
甚	shén	variant of 什
甚	shèn	excessive; undue / to exceed; to be more than / very; extremely / (dialect) what; whatever (Taiwan pr. [shen2])
是	shì	to be (followed by substantives only) / correct; right; true / (respectful acknowledgement of a command) very well / (adverb for emphatic assertion)
是	shì	variant of 是