The seething hatred in the Middle East has been festering for far too long. 中東地區這種激烈的仇恨已經鬱積太久了。
2.延燒
Civil wars fester in five countries. 內戰在五個國家延燒。
3.橫行
As a result, sex trafficking has been allowed to fester unchecked. 結果，色情買賣得以橫行無阻。
4.日益嚴重
Other divisions are festering, too. 其他對立也日益嚴重。
5.為害
We shouldn’t allow extreme inequality to fester for so long. 我們不能讓極端不平等為害如此之久。
6.惡化
The president has allowed the problem to fester to the point where Americans are going to take border security into their own hands. 總統已經讓問題惡化到美國人必須親自擔任邊界巡防任務的地步。
7.隱隱作痛
The Madrid bombings have ripped open wounds that have festered since the Civil War of the 1930s. 馬德里爆炸案撕裂了自一九三零年代內戰以來就隱隱作痛的傷口。
8.（繼續）高漲
Public skepticism was allowed to fester for months. 民眾的懷疑態度得以繼續高漲數月。 Resentment over U.S. bases in Okinawa and other areas of Japan still festers. 不滿美國在沖繩和日本其他地區設立軍事基地的情緒仍然高漲。
9.變本加厲
The matter festered over a weekend, and when he came to work on Monday, he told his boss he would be resigning. 這件事過了一個週末後變本加厲，星期一他回工作崗位時就跟老闆說他要辭職。
10.層出不窮
But the scandal still festers. 但是醜聞仍然層出不窮。
11.擴大
Funding for improvement project has come slowly, allowing resentment to fester. 改良工程的經費發放緩慢，讓不滿擴大。
資料來源：京文出版社https://www.gainwind.com.tw/
