Bats come out only at night.

蝙蝠只在夜间出来。

youdao

I come out of my burrow only at night to find food.

我只在夜间从洞穴中出来寻找食物。

youdao

CH-47s pilots in Iraq were told to fly only at night.

在伊拉克的CH-47飞行员被告知只在夜间飞行。

youdao

Prime Minister Taro Aso exercised his only real option Monday after Sunday night's resounding rebuke at the polls.

VOA: standard.2009.08.31

I think for the past three months, I've only had five or six hours of sleep at night.

我觉得在过去三个月里，每晚我就睡5到6个小时。

I need 实战 - SpeakingMax英语口语达人

That is another question we want to ask And I think about the five days of pure rain, where people were soggy at the first night and it only got worse.

这也是我们想要问的另一个问题,以及“我们怎么成长“，我想到了，And，how，do，we，grow…,连续五天瓢泼大雨的一次,人们在第一天晚上都湿透了，状况越来越糟。

普林斯顿公开课 - 人性课程节选

Zero Gravity will work with an unnamed freight airline that now uses its aircraft only at night.

ECONOMIST: Space tourism

He became fascinated by the leafcutter ants but was somewhat frustrated to discover that they cut the leaves only at night.

BBC: Earth News - Ant silhouette wins wildlife photographer of the year

Only at night was a speed limit set, a sensible 65mph.

ECONOMIST: End of the last free state