ざとい
mezatoi

i-Adjective

1. sharp-eyed; keen-eyed

かれかねもうけのあらゆる機会きかいざとい。
karewa kanemōkeno arayuru kikaini mezatoi.
He is alert to every chance of making money.
i-Adjective

2. easily awakened

ねんるとざとくなる。
toshio toruto mezatokunaru.
As one grows old, one becomes a light sleeper.
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