1.
happening or coming quickly and without warning.
迅速、没有预兆的发生或者到来。
2.
An omen or foreboding, especially of evil.
预示，预兆，凶兆预兆或凶兆，尤指不幸的
3.
"boding:an omen or foreboding, especially of evil."
预示,预兆,凶兆:预兆或凶兆,尤指不幸的。
4.
To have a premonition of(a future misfortune.
预感有一种（不详之兆）的预感
5.
Of or being an omen, especially an evil one.
预示的预兆的或成为预兆的，特别是坏的预兆的
6.
In retrospect all successful policies seem preordained.
追溯一切成功的政策，看来都有其预兆。
7.
Snow is good for our health.It also means a good harvest next year.
雪对健康有好处。这也预兆明年的丰收。
8.
He may spot warning signs of a collapse, but not all collapses are preceded by such warnings.
他可能指出破坏征兆的位置，但并不是所有破坏事先都有这类预兆。
9.
It was an omen among omens, pointing a path for him to tread.
这是预兆中的预兆，指引着他走一条路。
10.
Those are warning signs of occupational stress. How are things at work?
那些都是有职业压迫症的预兆。你的工作怎么样？
11.
without any warning,
在毫无预兆的情况下，
12.
Palpitation is a warming of heart trouble.
心悸是心脏病的预兆。
13.
a steadily escalating sense of foreboding; the lawyer had a presentiment that the judge would dismiss the case.
这是一种不祥的预兆。
14.
The crocus is a herald of spring.
报春花是春天的预兆
15.
Dark clouds denote rain.
乌云是下雨的预兆。
16.
This sign presages rains.
这种迹象是下雨的预兆。
17.
A gloomy prognosis for economic recovery.
经济复苏的黯淡预兆
18.
rebuffed (by a lover) without warning.
（被爱人）毫无预兆的回绝。