v (1)回答，答复(say or write sth as an answer to sth that sb has said or written)[I，I+prep(to/with)，T+that]：～very shortly/rudely 简短/粗暴地回答;～to sb/a question/a letter/an accusation 回答某人/回答一问题/回信/对控告作出答复;～with a short note/a cutting remark 写了张便条答复/用尖刻话答复;He～ied that no one would go. 他回答说没人去。“Certainly，sir.” He～ied. “当然了，先生。” 他答道。〖同〗answer;〖反〗question，ask;

(2)答复，对……作出反应(do sth in answer to some other action)[I，I+prep(to/with)]：～with a shout/a smile/a nod 以喊叫/微笑/点头作答;～to the enemy's attack (with forceful fire)(以猛烈的炮火)回击敌人的进攻;〖同〗respond，react;

reply for(v prep)代表某人作答(答谢(辩))(vt)：David rose to～for the guests. 大卫站起来代表来宾致答词。

n (1)回答，答复，反应(act of replying)[U]：The stranger made no～to my greeting. 我向那个陌生人打招呼，但他没有理我。do sth in～to a remark/a challenge/a question 做某事对一评论/挑战/问题作出回答;do sth in～to sb's suggestion 对某人的建议作出反应;He neither said nor did anything in～. 他毫无反应，既不说话也不行动。

(2)回信(音，答)，反应(sth as an answer to sth else which has been said or done)[C][N(to)]：have/receive/get/write a～to a letter 收到/收到/收到/写回信;Mary's only～to his bad behaviour was an angry stare/simply to walk away. 对他的不良行为玛丽的唯一反应是生气地瞪他一眼/一走了之。 a～-paid envelope 邮资已付信封;〖同〗answer，response;

【辨异】reply与answer和respond的区别见ANSWER。