v.潰爛；化膿；惡化
n.膿瘡；潰爛
A dirty wound will probably fester. 一個弄臟了的傷口,可能會化膿。
It's lucky that the wound did not fester. 幸好傷口沒有化膿。
A broken bone can heal, but the wound a word opens can fester forever. 骨頭斷了可以治愈好，但是言語造成的傷害將會一直惡化下去。
