人-331 应 [應] (动) ① answer; respond ② agree (to do sth.); promise; accept ③ should; ought to

应   甲骨文象人与鸟相对站立之形。会意人唤鸟、鸟答应之生动写照。《说文》注：“当也。从心，雁声。”应义回答、答应。引申允诺。借指应该、应当。

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应 [應] (动) ① answer; respond ② agree (to do sth.); promise; accept ③ should; ought to