These animals only come out at night.

这些动物只在夜晚出来。

《牛津词典》

At night, danger lurks in these streets.

夜晚这些街上隐藏着危险。

《牛津词典》

At night, the dark streets become menacing.

在夜晚，漆黑的街道变得阴森森的。

《牛津词典》

The workers would come into this store at seven oclock in the morning and work until twelve oclock at night.

VOA: special.2010.03.03

First,they don't meet in the daytime; they meet either early before light,at dawn, or after dark,at night.

首先，他们不在白天聚会;,要么在天亮前的黎明，要么在天黑后的夜晚。

耶鲁公开课 - 新约课程节选

who is on the streets in New York and she got mugged because she was walking alone at late at night,

她正在纽约的大街上走着。有一次她在夜间独自一人在街上走，遭遇了抢劫。

have to 课堂 - SpeakingMax英语口语达人

These are momentary disturbances, though, more than compensated for by the view, especially at night.

FORBES: All Around India

It is at night that walking around Chinatown can really feel like travelling through time.

BBC: Travelling back in time through Bangkok��s Chinatown

At night, walking around the sharp turns of the alleys can feel thrillingly forbidding.

BBC: Travelling back in time through Bangkok��s Chinatown