These things also happen in good weather and without warning. Ships just seem to vanish into thin air.

而且，这些事情恰巧都发生在好天气里，更没有任何先兆，那些船只就像是消失在了空气中。

youdao

Sometimes it gets even worse, when one partner meets someone new and ends the long-term alliance suddenly and without warning.

更糟的是，有时候当其中一个成员遇到一个新的人的长期联盟突然结束，而且没有警告。

youdao

As grains build up, the pile grows in a predictable way until, suddenly and without warning, it hits a critical point and collapses.

当沙砾慢慢增加，沙堆一直在预料的方式中成长，直至突然而又毫无警戒地，它到达了一个临界点然后崩塌了。

youdao

i took a broom to their country and smashed and sliced without warning without stopping and i smiled all the time i was doing it.

VOA: special.2010.04.18

But even when parents follow all the guidelines, putting their babies to sleep on their backs, removing blankets and stuffed animals from their cribs, infants still die without warning.

VOA: standard.2010.02.08

Secretary Gates said there are some "exaggerated concerns" in the region that a so-called "grand bargain" with Iran will be negotiated in secret and then sprung on the region without warning.

VOA: standard.2009.05.05

But sometimes the reality is that defining moments of history come suddenly and without warning.

BBC: In full: Brown's speech to Congress

He told The Wall Street Journal in a telephone interview that the blast happened quickly and without warning.

WSJ: Guides Recall Escape From Philippine Volcano

He told The Wall Street Journalthat the blast happened quickly and without warning.

WSJ: Guides Recall Escape From Philippine Volcano