(education) class (group of students in a regularly scheduled meeting with a teacher) / class of things (typically products) sharing certain features / (programming, object-oriented programming) class

a male given name

healthy / energetic / in a good mood; peppy; lively

a male given name

the fundamental force that permeates through all matter and life / health, healthfulness / (personal) energy / good spirits; vitality; cheer; liveliness; enthusiasm

how are you?

healthy; in good spirits, fine

(medicine) smallpox

一番: number one

一番: number one, most, -est