Resentments are starting to fester.

仇恨正开始逐步加深。

《柯林斯英汉双解大词典》

Other arguments will continue to fester.

其他的争论将会愈演愈烈。

youdao

The obvious contrast is with Japan, where bad debts were left to fester.

这与日本形成了鲜明的对比，日本的坏账被滞留到溃烂。

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"As president, I refuse to allow this problem to fester."

VOA: standard.2009.05.21

But until there is clear commitment from the top down, this issue can continue to fester.

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Separate rows between Greece and Turkey over tiny islets in the Aegean continue to fester.

ECONOMIST: Why Greece struggles to get along with its neighbours

The Cyprus financial crisis continues to fester and the market place remains uneasy about it.

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