less and less

基本解释

The historical trend has been to use less and less working hours per week.
历史的趋势朝着每周工作时间越来无用和越来越少方向发展。
If they boost yields, then the 21st century will see more and more people better and better fed from less and less land.
如果真的能够提高产量，那么在21世纪，我们会看到越来越少的土地养活越来越多的人口。
And every year, like some sort of magic clockwork, it does more and more for less and less, bringing the marginal costs of technology in the units that we individuals consume closer to zero.
每年，就像某些神奇的发条装置一样，它能以越来越少的成本做越来越多的事情；由于大规模消费的存在，技术的单位边际成本渐趋于零。

As the sport became more popular, it became less and less of a sport.
But, the thing, it becomes less and less funny and not at all.
但这件事情,渐渐不那么好笑,最后沦为空谈
耶鲁公开课 - 1871年后的法国课程节选
and it's more or less that. I don't want to spoil it in case anyone goes to see it.
差不多就是那样的。万一有人要去观看这部剧呢，我可不想毁了它。
话剧排练结束后 - SpeakingMax英语口语达人

But already Russia's outlying areas are running themselves with less and less say-so from the centre.
ECONOMIST: Western man’s burden