She wasn't eating. She had terrible stomach pains. She started clenching her jaw and grinding her teeth at night.

VOA: special.2010.04.22

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

at night, you can't do, you can't even do it now. There's no crosstown bus there now.

是不可能了，甚至现在就不可能。因为那里已经没有跨区的巴士了。

纽约的公共交通 - SpeakingMax英语口语达人

"Now at night,Port-au-Prince doesn't have electricity it looks like a ghost town.

VOA: standard.2010.01.14

But, yeah, you definitely don't want to walk alone at night.

但是，你绝对不想晚上一个人散步。

对纽约的印象 - SpeakingMax英语口语达人

I wouldn't necessarily ride my bike in the park at night,

我从来不在晚上骑自行车去公园，

是市民的朋友 - SpeakingMax英语口语达人

Isn't it expensive to take a taxi at night?

晚上坐出租车贵吗？

伦敦的夜生活 - SpeakingMax英语口语达人

Suppose I get an A and my pair gets a C, then sure I get that initial payoff of 3, but unfortunately I can't sleep at night because I'm feeling so guilty.

假如我得到A我对手得C,没错我开始得到3单位效用,但我感到愧疚,我因良心受到谴责

耶鲁公开课 - 博弈论课程节选