1.
The camels are restless. A bad omen for you I think.
这些骆驼很不平静。我想，对你这是个坏兆头。
2.
Black man:（ scared） See, that... that... that... that ain't a good sign!
黑人男子：（坏了），那……那……那不是个好兆头！
3.
sign of the existence of sth bad
（坏事的）徵兆, 徵候
4.
The first hint of bad news came precisely a week later.
坏消息的第一个兆头，是整整一星期后显露出来的。
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.
I thought this was a very bad sign; for, up to that day, the men had gone briskly and willingly about their business;
我认为这是个极坏的兆头，因为在那天之前，水手们干活时都动作迅速，而且自觉自愿。
7.
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。
8.
He regarded the bad weather as a prognostic of failure.
他将坏天气视为失败的预兆。
9.
Ancient people thought a lunar eclipse was a bad omen.
古代的人们相信月蚀是一种坏的预兆。
10.
Viral "Blips": Benign or Portent of Bad Things to Come?
病毒"信号"：坏事情到来的征兆？
11.
tera hertz
兆兆赫兹, 兆兆周
12.
The associations with psychiatric disorders were stronger for migraine with aura than for migraine without aura.
有先兆的偏头痛比无先兆偏头痛具有和精神障碍更强的相关性。
13.
I took it as a good omen.
我把这事看作是个好兆头。
14.
Approximately 20% of Migraineurs experience aura.
大约有20％的偏头痛患者伴有先兆症状。
15.
Some people consider a black cat a creature of ill omen.
有些人认为黑猫是不祥的兆头。
16.
And they are the signs of a nation's decay.
而且他们是一个国家衰败的兆头。
17.
There is a threat of rain in the dark sky.
黑云密布的天空有下雨的兆头。
18.
Some have feared it as a messenger of evil.
有些人害怕它是个不吉利的兆头。