There are fears that the situation might deteriorate into full-scale war.

人们担心局势会恶化为全面战争。

《柯林斯英汉双解大词典》

After an encouraging start, the negotiations deteriorate into a lengthy haggling session.

开局不错，但之后的谈判却陷入没完没了的讨价还价。

youdao

Through the summer, and as fall began to deteriorate into winter, I would devote about an hour per day to my little job.

整个夏天过去了，随着秋天开始渐渐退去，冬天来了，每天我要把大约一小时时间用在这个差使上。

youdao

The EU debt situation is much more serious than the U.S. debt woes and it could deteriorate into a worldwide debt contagion.

FORBES: Comex Gold Powers to Another All-Time High on Strong Safe-Haven Demand

If a political vacuum threatens to deteriorate into a resumption of violence, on past form pressure will be put back on Mr Trimble.

ECONOMIST: Where next in Ulster?

Will slow growth deteriorate into another recession, the so-called double-dip scenario?

FORBES: The Chances Of A Double Dip