相关单词近義詞 carefree 無憂無慮的, cheerful 高興的, optimistic 樂觀的, easygoing 隨和的, lighthearted 心情愉快的, nonchalant 若無其事的, blithe 快樂的, devil-may-care 不顧一切的, slaphappy 頭暈目眩的, harum-scarum 冒失的, freewheeling 無約束的臨近詞happy, happy face相似詞happy hour, happy medium, happy slapping, happy-clappy, haptic, hara-kiri, harangue, harass, 返回 happy-go-lucky