reason/'riːzən/

n. a cause or explanation for sth that exists or has happened

n. [C] 理由，原因：[reason (that或why) ...] He didn't give us the reason (that或why) he had been absent. 他没有告诉我们他为什么缺席。

◇[reason for (doing) sth] What was the reason for his absence? 他缺席的理由是什么？

◇[have a reason to do sth] She must have had a good reason to do it. 她那样做，一定很有理由。

常犯错误

✗ because of this reason

✓ because of this

✓ for this reason 因为这个原因

音组-son/-zən/

poison; prison; reason; season

常犯错误

✗ The reason is because he was ill.

✓ The reason is that he was ill. 原因是他病了。

常犯错误

✗ the reason of his refusal

✓ the reason for his refusal 他拒绝的原因

辨析cause; reason