be wide-eyed, be amazed

butterflies, (taxonomic group of butterflies)

beautiful

to watch / to stand guard / to look out, to be wary / to open one's eyes wide

(archaic) beautiful

butterfly

a butterfly (insect)

eye

kind, sort, type, class, genus, order, family / similar example, parallel

kind, sort, type, the like / a similar thing, parallel / (taxonomy) a conventional grouping that corresponds to a class or an order / (logic) Short for 類概念 (ruigainen).