乐天 lètiān optimistic Origin Definitions Defs Strokes Stroke Words Sentences Sents lètiān optimistic 乐 樂 lè adjective happy happy; cheerful; joyful; glad to do something天 tiān adjectivenoun nature nature; the natural world as opposed to human influencelètiān Lotte · Letian 乐 樂 lè adjective happy happy; cheerful; joyful; glad to do something天 tiān noun sky sky; heavens; the space above the earth