1.不恰当;无关系;不相干,不对题
2.缺乏时代性
1.the fact of being not relevant; something that is not important or necessary to a particular situation or subject
1.You can die as a stateless person and there is no record of your death because you do not exist and therefore your death is an irrelevancy.
你可以作为无国籍人死亡，有没有你的死亡纪录，因为你不存在，因此，你的死亡是一个不相干。
2.Solyndra, the poster child of the Law of Misguided Subsidies, borders on irrelevancy compared to the full impact of bad economic policy.
和劣质经济政策的全面影响比起来，作为“误入歧途定律”代言人的Solyndra几乎不值一提。
3.Seen mostly as a counterweight to Moscow for 20 years, China seemed a giant irrelevancy after the demise of the Soviet Union.
二十年来中国多半被看做对莫斯科的制衡力量，苏联解体后中国就显得虽然庞大却无关宏旨。
4.But stretch a topic too far and usually it will collapse into irrelevancy.
但若是扩展太远，往往因为离题而写出失败的文章。
5.The fear of irrelevancy will haunt European leaders in 2010.
某种害怕多此一举的心理会在2010年缠绕着欧洲领导人。
6.On the Irrelevancy of the Chinese Translation of "Chemistry" with James Hudson Taylor
“化学”译名与戴德生无关考