By and by the days turned cold.

渐渐的，天变冷了。

The situation is getting worse by the day.

情况一天比一天糟。

There's less and less water by the day.

每天的水越来越少。

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

迫于压力，既有社会压力也有政府压力，这群人的数量总算日渐少了起来。

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

他对邓布利多的疑心一天比一天重。

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

他一天天消瘦下去，性格越来越忧郁。

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

他曾接触过的进化的法都日渐变得复杂起来。

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。

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

几周之后，白天更长了，夜晚变短了。

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

白天日光相佐，晚上烛光相伴。

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

这些人从辛贾尔逃来，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，变得一天比一天邪门。

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

乐会的前一天，已经有超过三百个人表示他们会参加。

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力锻炼身体了。

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这场残酷冲突。

With funding expected to run out this summer, calls for negotiations are growing by the day.

随着资金预计将今年夏天用光，要求谈判的呼声与日俱增。

The Red Cross has described the situation in Yemen as catastrophic and deteriorating by the day.

红十字会称也门现的形势是灾难性的，而且日益恶化。

By the day before the decision, pricing had flipped, indicating a 65% probability of a half-point cut.

决策的前一天，市场定价翻转，表明有65%的可能性降息0.5%。

President Trump started off the day by seeming to express doubts about his trade war with China.

特朗普总统今天早上表达了对中美贸易战的顾虑。

While many professions get easier over time, law enforcement seems to get more challenging by the day.

随着时间的推移很多职业会更轻松，但执法部门面临的挑战似乎与日俱增。