a very clever or intelligent person
非常に賢いまたは知的な人 (hijō ni kashikoi matawa chiteki na hito)
"Don’t underestimate her; she’s a smart cookie."
"彼女を過小評価しないでください; 彼女は スマートクッキー です。" (Kanojo o kasōhyouka shinaide kudasai; kanojo wa smart cookie desu.)
to rely on someone or something
to encourage someone to express themselves
to impress or surprise someone greatly
to understand both perspectives in an argument
to increase into a large amount
to focus on a smaller area or set of options