At the first sign of trouble, the crowd melted away.
人群一看有麻烦，便渐渐散了。
We can't just walk away from it at the first sign of a problem.
我们不能一遇到问题就逃避。
I drop the first sign of winter.
我，落论冬季第一个签到。
It was the first sign of the great sea.
这是大海的第一个征兆。
Don't trust the first sign that you hear.
不要相信你看见的第一个迹象。
They gave up at the first sign of trouble.
因为他们在第一道难关面前便放弃了。
The first sign simply said the boy was blind.
第一个告示只诉说了男孩是瞎的。
Sara: Ah, now see that is usually the first sign.
萨拉：噢，你看这通常就是第一征兆。
Cold symptoms or headache is the usual first sign.
感冒症状或发烧头痛通常是第一信号。
This first sign is usually physical, as discussed above.
这第一个信号通常是生理上的，正如上文所述。
Educated mind first sign is good at asking questions.
有教养的头脑的第一个标志就是善于提问。
Friends, here is an emergency first sign — Thank you!
朋友，这里有急事，先请进- - -谢谢！
The first sign of awakening Nature after her winter's sleep.
大自然冬眠醒来的第一个迹象。
Ought not be prolonged beyond the first sign of boredom.
不宜持续到第一个厌烦的手势出现。
Often the first sign of a virus infection is instability.
往往首先注册一个病毒感染是不稳定。
The first sign of disaster was a dead sheep floating down.
灾难的第一迹象是一只死羊顺流而下，接着一匹活马勇敢地与水搏击。
The first sign of disaster was a dead sheep floating down.
灾难的第一迹象是一只死羊顺流而下。
Women, the first sign of a good man is that he has a brain.
对于女人来说，好男人首先应该有头脑。
You tend to look the other way at the first sign of trouble.
一出现麻烦的迹象，你往往会调转方向。
Shvering is usually the first sign of dangerous cold exposure.
颤抖通常是寒冷暴露危险的第一迹象。
A rising blood pressure is usually the first sign of disease.
血压的升高通常是疾病的首要表现。
Cutting tools must be reground at the first sign of dullness.
切削刀具一开始变钝就须重新打磨。
The land also shows the first sign of summer: large forest fires.
陆地上还出现夏天的迹象：森林大火。
The first sign of an educated mind is to be good at asking questions.
有教养的头脑的第一个标志就是善于提问。
At the first sign of a failure, the debugger is automatically invoked.
当出现故障的迹象时，自动地调用调试器。
At the first sign of a failure, the debugger is automatically invoked.
当出现故障的迹象时，自动地调用调试器。
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