entries → 快樂
TSUMUGU · TOCFL 1 (est.) · 詞
快樂 word · TOCFL 1 (est.)
快樂 ＝ 快 ＋ 樂
ㄎㄨㄞˋ ㄌㄜˋ · kuàilè
adj — happy, joyful; noun — happiness

字源 FORM — what the parts do

快fast; pleased (快速)kuài
樂joy, glad (歡樂)lè
快樂，快速的快，歡樂的樂。