But cats by then were coming indoors.

但那时猫已经开始住进屋里了。

I want it to be clean by then.

我希望到时候房间已经干净了。

What a terrible memory you have! Anyway, I won't need it until Friday night. As long as I can get it by then, OK?

你记性真差！总之，我周五晚上才用，只要那时候我能拿到就行，好吧？

In 1914, many people thought the war would be over by Christmas, but sadly by then the trenches were dug and the future shape of the war in Europe was set.

在1924，很多人都认为，这场欧洲历史上破坏性最强的战争之一会在圣诞节时告以终结。不幸的是，这个良愿未得实现。

By then, hundreds of residents had gathered already filling buckets and plastic jugs as gas gushed high into the air.

在汽油喷向高空时，已有数百名居民在用水桶和塑料壶收集燃油。

After that, realtors associations were careful not to make official rules about what commissions had to be but by then the 6 percent commission was common place and it hasn't changed much since.

在那之后，房地产经纪人协会小心翼翼地避免制定官方规则，规定房地产经纪人必须支付哪些佣金，但到那时，6% 的佣金已经很普遍了，而且自那以后也没有太大变化。

We should have our aims ready by then.

在那之前我们应该把目标确定好。

After the kelp grows, the biodegradable buoy will dissolve and loses it buoyancy and by then the kelp is so heavy that it sinks to the ocean bottom, sequestering the carbon for a thousand plus years.

海带生长后，可降解的浮标就会溶解并失去浮力，那时海带就重得沉入海底，将二氧化碳封存一千多。

By then, the demand for animal products is expected to increase by 70 percent.

到那时，动物产品的需计将增长70%。

Meteorologists think it will have weakened by then but Hagisbis is on track to make landfall right near where Typhoon Faxai hit in September.

气象学家测它将在那之前减弱，但其登陆的地点与9份台风法茜袭击过的地方非常接近。

Hopefully, I'll be able to finish typing this report by then.

但愿在此之前我能把这篇报告打完。

By then, I also had my own bread.

从那时起，我也有了自己的面包。

By then he was unconscious, and everyone else had gone to bed.

那时他已经不省人事，其他人也都上床睡觉了。

5G technology may no longer may be out of this world by then.

到那个时候可能世界上都没有5G技术了。

The U.S. withdrawal date was later moved up to August 31st and President Biden said threats to U.S. forces were a big reason why the pull-out should be completed by then.

美方撤退日后来提早至831日，拜登总统表示美方受到的威胁是提早撤退的一大原因。

Do you think they will be ready by then?

你觉得在那之前能洗好吗？

By then, Rodham was viewed as someone with a bright political future.

到那时，希拉里已经被认定，她的政治前途将一片光明。

By then, Sikes was very drunk, and Fagin got up to leave.

到这时，赛克斯已喝得酩酊大醉了。费金站起身来要走。

They'll have the black spot on me by then. They'll come for me.

他们会送黑券来的，他们会来找我的。

It will take another six to reschedule, and we'll both have graduated by then.

如果错过这次机会，我还要等六个，那时我们都毕业了。