This is the fifth night in a row I haven't been home.

这是连续第五个晚上我没在家了。

youdao

This was followed by accommodation: slightly, the fifth night five-star hotel living, we fly back to their warm homes.

其次是住宿安排：略，第五晚住五星级宾馆，大家坐飞机各自回到温馨的家。

youdao

For example, during the fifth night of sleep deprivation, those with the gene variant woke up, on average, almost four times, while those without the variant woke up, on average, twice.

例如，在第五个被睡眠剥夺的晚上，携带变异基因的人大约平均醒来四次，而未携带变异基因的人是两次。

youdao

However, they were only brief forays into the opposition half and former Latic Valencia soon added United's fifth of the night, running on to Rooney's slide-rule pass to chip over substitute keeper Mike Pollitt and into the far corner.

BBC: Manchester United 5-0 Wigan

The proposal emerged following a fifth night of disturbances in Portadown, Belfast and other parts of Northern Ireland - but the unrest was not on the same scale as on previous nights.

BBC: News Online

REMming occupies only about a fifth of the night.

ECONOMIST: Memory formation