youdao

I asked for a wake-up call at 6.30 a.m.

我请他们在早晨6:30打电话叫醒我。

《牛津词典》

I book a wake-up call for 4:45 a.m.

我预订了凌晨4点45分的叫醒电话。

《柯林斯英汉双解大词典》

He says the financial crisis should be seen as a wake-up call to change systems and ways of thinking, and to re-establish trust.

VOA: special.2009.01.23

Satan has roused himself from off the burning marl, and he stands in order to call up his fallen minions, to rouse them to acts- great acts of heroism.

撒旦已经从灰土中站起身，召唤着他同样堕落了的随从们，唤醒他们实现英雄之举。

耶鲁公开课 - 弥尔顿课程节选

For example, you could request a wake-up call in the morning.

比如你想要早晨的叫醒服务。

I'd like 课堂 - SpeakingMax英语口语达人

The failure of the German bond-market could be a wake-up-call to European leaders to take more drastic action to prevent the crisis.

FORBES: Nothing to Be Thankful for in the Euro-Zone

The fact that such an idea is even up for consideration should be a major wake-up call -- a reminder that climate change is real and happening now.

CNN: Don't feed the (polar) bears

"This is not some gentle wake-up call - it's the same global alarm that's been screaming at us since 2008, " said Hannah Stoddart, Oxfam's head of economic justice policy, regarding the FAO data.

BBC: Global food prices rise in July due to extreme weather