write off
phrasal verbwrite off/away (to somebody/something) (for something)
to write to an organization or a company, usually in order to ask them to send you something 致函（某机构）（索取资料等）
write something off
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business 商业 to cancel a debt; to recognize that something is a failure, has no value, etc. 注销，销记（账项、资产等） to write off a debt/an investment 注销一笔债务／一项投资
- (British English)
to damage something, especially a vehicle, so badly that it cannot be repaired or would cost more to repair than to replace 把（车辆等）毁坏，报废 He’s written off two cars this year. 他今年撞毁了两辆车。
write somebody/something off (as something)
to decide that somebody/something is a failure or not worth paying any attention to 认定…失败（或没有价值、不可救药等） Don't write me off as a failure just because of that one time when things didn't go right. 不要因为有一次事情不顺利就认为我失败了。