...irrelevant details.

不相关的细节

The government decided that their testimony would be irrelevant to the case. [+ to]

政府认定他们的证词与案件不相关。

Their old hard-won skills were irrelevant.

他们以往辛苦学得的技能没什么大用处。

The choice of subject matter is irrelevant.

题材的选择无关紧要。

He said politics has become increasingly irrelevant to most Americans.

他说政治对大多数美国人来说已经变得越来越不重要了。