big enough and ugly enough

Adjective

informal

(informal) Mature, grown-up, old enough (with the implication that one can look after oneself and make one's own decisions).

Japanese Meaning

（非公式な表現で）十分に成熟しており、自立して自分の行動や判断ができる、という状態

18歳になった彼は、自分は一人で暮らせるほど十分大人で成熟していると宣言し、両親はしぶしぶ同意した。

Sense（1）

(informal) Mature, grown-up, old enough (with the implication that one can look after oneself and make one's own decisions).

Her aunt answered, 'You just go off my child. There are two young women here who are big enough and ugly enough to help me with the dishes.'