a. having no bearing on or connection with the subject at issue
a. 不恰当的, 无关系的, 不相干的
[法] 无关的, 不相干的, 离题的
1. The comments he made during the meeting were irrelevant to the main topic.
他在会议上所做的评论与主要话题无关。
2. It's important to focus on relevant information and ignore irrelevant details.
关注相关信息并忽略无关细节是很重要的。
3. She felt that his opinion was irrelevant to her decision-making process.
她觉得他的意见与她的决策过程无关。