His facial appearance was changing by the day. His moods grew gloomier and gloomier.

他一消瘦下去，性格越来越忧郁。

They're getting trickier and trickier by the day. Last night was the big challenge.

随着时间的流逝，情况变得越来越复杂。昨晚是重大的挑战。

Unless we really pick up our efforts to conserve what we have left, South Africa's once bountiful shores are becoming more and more empty by the day.

除非我们付出努保护现有的生物，否则南非那昔日富饶的海岸将会日渐贫瘠。

By and by the days turned cold.

渐渐的，变冷了。

Under pressure, both social and governmental, their numbers shrink by the day.

迫于，既有社会也有政府，群的数量总算日渐少了起来。

Carl, so many of us unable to travel right now due to coronavirus restrictions, my list of dream cities to travel to is getting longer and longer by the day.

卡尔，由于新冠病毒的限制，现我们许多无法旅行，我的梦想旅行城市名单正变得越来越长。

And sadly, we're losing these animals by the day and, in some countries, by the hour—to not only ivory poaching but this rapid rise in human-elephant conflict as they compete for space and resources.

令悲伤的是，我们每失去些动物，有的国家，是每小时——不仅因为象牙偷猎，也是因为由空间和资源争夺而起的日益激增的象矛盾。

The situation is getting worse by the day.

情况一比一糟。

Every evolutionary story he had touched became more complex by the day.

他曾接触过的进化的说法日渐变得复杂起来。

By the day of the show, more than 300 people had said they would attend.

音乐会的前一，已经有超过三百个表示他们会参加。

He's getting more paranoid about Dumbledore by the day.

他对邓布利多的疑心一比一重。

By the day's end, you may not have the time or energy to exercise.

晚上下班回家，你可能没有时间和精锻炼身体了。

As the weeks went by, the days grew longer, the nights grew shorter.

几周之后，白更长了，夜晚变短了。

He worked through the day by sunlight, and into the night by candlelight.

白日光相佐，晚上烛光相伴。

By the day, Russian denials of involvement in this brutal conflict appear to be eroding.

但截至目前，俄罗斯否认介入似乎正逐渐造成危害的场残酷冲突。

The people who fled Sinjar are arriving in worsening conditions by the day.

些从辛贾尔逃来，自那时起处境就每况愈下。

And so there it sat, growing more foul and powerful by the day.

所它就一直那，变得一比一邪门。

All in all, the temptation to take another gulp of Felix Felicis was becoming stronger by the day, for surely this was a case for, as Hermione put it, " tweaking the circumstances? "

总之，再喝一口福灵剂的诱惑日益增强，因为应当算是个如同赫敏所说的需要“调整一下环境”的情况吧？

Now, in the midst of all this, especially with Google making huge improvements to Google Assistant, making Siri look more and more inferior by the day.

所有的些软件中，尤其是当谷歌对谷歌助理做了巨大的改善之后，Siri 已经越发落后了。

How can anyone possibly enjoy getting older? After all, our bodies are disintegrating, our memory is getting worse by the day, and thus we cannot function the way we used to.

怎么会有享受变老的乐趣呢？毕竟，我们的身体日渐衰弱，我们的记忆一比一差，因此我们无法像以前那样正常生活。