TCP could signal a failure and give up when both end-points are fine.

超出个时间，TCP会发出一个故障信号，然后放弃重传。

youdao

It could take hours or days, and several heated conversations, but do not give up when your relationship is worth fighting for.

或许是几个小时、几天的时间也或许要几经激烈的争论，但只要是感情值得抗争，那就别轻言放弃。

youdao

When I was so tired that I was ready to give up, I suddenly discovered I could touch the bottom.

我累得想放弃的时候，突然发现我可以踩到底了。

youdao

When Harvard discovered that students outside Cambridge, Massachusetts, could access these lectures, the administration asked Miller to give up the course.

CNN: Do virtual classrooms make the grade?

Sir Christopher has said without "clawback" of profits it would be difficult to justify making transitional payments and said it could be enforced by making any further payments "conditional" on MPs agreeing to give up profits when they sell the property.

BBC: MPs' second home profits 'should be surrendered'