1.behind time 是指“迟到”“误时”“不及时”“晚点”:
This train is behind time.
这趟火车晚点了。
The train is behind time again. We have to wait patiently.
火车又晚点了。我们得耐心等待。
The firm was behind time in payment.
该商店没有按时付款。
We are behind time in paying the rent.
我们迟付了房租。
We are behind time in submitting the project report.
我们提交项目报告迟了。
The project proposal is behind time due to team disagreements.
因团队分歧，项目提案提交延迟了。
He's always behind time with his payments.
他总是过期付款。
She was an hour behind time for their anniversary dinner.
她在周年纪念日晚餐上迟到了一小时。
The babysitter is behind time, so we'll miss the movie start.
保姆迟到了，我们要错过电影开场了。
I'm sorry I'm behind time for our daughter's birthday party. Traffic was terrible.
抱歉女儿生日派对我迟到了，路上太堵了。
You're always behind time! Next time we'll start without you.
你总是迟到！下次不等你就开始了。
Sorry, I'm behind time. The traffic was a mess. 《老友记》
对不起，我迟到了。交通太糟糕了。
You're behind time again! This is the third date you've kept me waiting. 美剧《生活大爆炸》
你又迟到了！这已经是第三次约会让我干等了。
2.behind the times 是指:“落伍”“跟不上时代”“不合时宜”:
I don't want my students to fall behind the times.
我不希望我的学生落后于时代。
Your fashion sense is a bit behind the times. You should try some new styles.
你的时尚品味有点落伍了。你应该尝试一些新的款式。
The science books of 30 years ago are behind the times now.
三十年前的科学书籍现在已经落后了。
His idea of "women should stay home" feels completely behind the times.
他"女性应留在家中"的观念完全过时了。
Your view on splitting bills is so behind the times. We're equals, right?
你对分摊账单的看法太老派了，我们是平等的，不是吗？
My husband's approach to raising kids is behind the times. He still believes in strict discipline.
我丈夫的育儿方式太落伍了，还坚持严厉管教那一套。
It was a sleepy little town, about fifty years behind the times.
那是一个死气沉沉的小城镇,大约落后时代 50 年。
His views on marriage are a bit behind the times.
他对婚姻的看法有点儿不符合时代潮流。
His ideas are all behind the times.
他的思想是很陈旧的。
His views on gender equality are behind the times.
他关于性别平等的观点过时了。
My grandparents' way of educating children is a little behind the times.
我祖父母教育孩子的方式有点跟不上时代了 。
These old-fashioned dating apps are starting to feel behind the times.
这些老式约会软件渐渐显得跟不上时代了。
A manager who ignores remote work trends will quickly become behind the times.
忽视远程办公趋势的管理者很快会被时代淘汰。
If a company's management strategies are behind the times, it will face difficulties in the market.
如果一家公司的管理策略落后于时代，它将在市场上面临困难。
This country's foreign policy seems to be behind the times in the context of globalization.
在全球化背景下，这个国家的外交政策似乎过时了。
Your idea of marriage is behind the times. Loyalty isn't optional. 《夫妻的世界》
你对婚姻的观念早就过时了，忠诚不是可选项。
Your working concepts are a bit behind the times. We need more innovative ideas. 《当幸福来敲门》
你的工作理念有点过时了。我们需要更有创新性的想法。
“behind time”聚焦于具体时间上的延迟 ，而“behind the times”侧重于形容人或事物在观念、潮流、发展等方面落后。