entries → 對了
TSUMUGU · TOCFL B1 (est.) · 詞
對了 word · TOCFL B1 (est.)
對了 ＝ 對 ＋ 了
ㄉㄨㄟˋ ˙ㄌㄜ · duìle
phrase — that's right!, correct; (as an aside) oh, by the way

字源 FORM — what the parts do

對correct, right (對錯)duì
了marks a change or completion (完了)le
對了，對錯的對，完了的了。
關 · Related
沒錯méicuòthat's right — the same confirmation, by way of "no error"好了hǎoleanother 了 interjection — "all right, enough"