n. 1.理由，原因，缘故，动机。 2.理性，理智；智慧；合理(的行为)。 3.正常的思想，健全的思想，健全的议论[判断]，常识，正常的事物。 4.道理，条理；理论，辩论，推论。 5.【逻辑学】论据，论点； 前提，小前提。 6.理解力，判断力，理性直觉力。 7.实际的事情，可实行的事情。 短语和例子 bereft of reason 失去理智，疯狂；失掉知觉。 It is neither rhyme nor reason. 莫名其妙。 It is without rhyme or reason. 毫无道理，无缘无故。 as reason was 根据情理。 be restored to reason 恢复理智。 bring to reason 使明白道理，使服从道理。 by reason of 凭…的理由，因为。 by reason (that) 因为，由于。 come to reason 清醒过来。 for a reason of state 以国家的利益为理由〔指执政者的借口〕。 for no other reason than that [but this] 单单因为(这一理由)。 for reasons of 因为。 give reasons for 说明…的理由。 have reason for [to do] 有必须的理由，有理由去(做)，…(做)是对的，…(做)是当然的。 hear reason＝listen to reason. in (all) reason 合理；正当 (It is not in reason to expect me to do so. 要我做这样的事是没有道理的。 I will do anything in reason. 只要是有道理的事我都答应去做)。 listen to reason 服从道理，听从。 lose one's reason 失去理性，发狂。 out of all reason 不合理，不对头；不可理喻的。 stand to reason 得当，合道理。 There is reason in .... (某事)有道理 (There is reason in what you say. 你讲得有道理)。 with or without reason 无论有理与否。 with reason 有道理；合乎情理。 vt. 1.论证；推论，论断，推究。 2.说服 (down out of into) 向…解释。 reason oneself into perplexity 不能自圆其说。 reason out a conclusion 推论出一个结论。 reason sb. down 说服某人。 reason sb. into compliance 劝某人顺从，说服某人。 reason sb. out of his fears 劝人不要怕。 vi. 1.论究，推理，推论，推究 (about of from upon)。 2.劝说 (with)。 短语和例子 reason with sb. for sth. 因赞成[反对]某点同某人讲道理。
the capacity for rational thought or inference or discrimination; "we are told that man is endowed with reason and capable of distinguishing good from evil" 同义词：understanding, intellect,
a fact that logically justifies some premise or conclusion; "there is reason to believe he is lying"
an explanation of the cause of some phenomenon; "the reason a steady state was never reached was that the back pressure built up too slowly"
a justification for something existing or happening; "he had no cause to complain"; "they had good reason to rejoice" 同义词：cause, grounds,
a rational motive for a belief or action; "the reason that war was declared"; "the grounds for their declaration" 同义词：ground,
the state of having good sense and sound judgment; "his rationality may have been impaired"; "he had to rely less on reason than on rousing their emotions" 同义词：rationality, reasonableness,
think logically; "The children must learn to reason"
decide by reasoning; draw or come to a conclusion; "We reasoned that it was cheaper to rent than to buy a house" 同义词：reason out, conclude,
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