PM is the most frustrating time in a day.

晚上十一点是一天中最烦的时候。

youdao

This is arguably the most frustrating time for those charged with tracking and responding to the disease.

对那些负责监测和防控该疾病的医务人员来说，现在无疑是最令人沮丧的时刻。

youdao

But if you prefer your relationships to be real and straightforward, this could be a frustrating time.

但如果你更愿意拥有实际而坦诚的关系，这可能会是一个让人沮丧的时期。

youdao

"It's been a challenging time for me and a frustrating time for you, " Dolan said.

FORBES: Magazine Article

Again, I must admit that this has been a frustrating time at Yahoo!

FORBES: Why Do People Still Work At Yahoo!?

And yet despite this victory, Mr Powell has had a frustrating time.

ECONOMIST: Farewell, Pompeii