/rɒt; rɑt/
v (-tt-)
(a) [I, Ip] decay naturally through the action of bacteria, fungi, etc 腐烂; 腐坏
*a heap of rotting leaves 一堆腐烂的叶子
* The wood has rotted away completely. 那木头已完全朽了.
* (fig 比喻) He was thrown into prison and left to rot. 他被关进监牢任其苟延残喘.
(b) [Tn, Tn.p] cause (sth) to decay or become useless; damage 使（某物）腐烂或无用; 损坏
*Oil and grease will rot the rubber of your tyres. 油污能腐蚀轮胎橡胶.
* Too much sugar will rot your teeth away. 吃糖太多就要损坏牙齿.

n
1 [U] rotting; rottenness 腐烂; 腐坏
*a tree affected by rot 枯朽的树
* Rot has set in, ie started. 已经逐渐腐烂了.
* There's dry rot in the floor. 地板已经朽了.
2 [U] (dated Brit sl 旧, 俚) nonsense; absurd statement(s) or argument(s) 胡说; 谬论
*Don't talk such utter rot! 别说这种荒唐话了!
* `They're bound to win.' `Rot! They haven't a chance!' ｀他们一定赢.＇｀胡说! 他们毫无希望!＇
3 the rot [sing] liver disease of sheep （羊的）肝蛭病.
4 (idm 习语) the rot sets `in conditions begin to get worse 情况开始变坏
*The rot set in when we lost that important customer in Japan. 我们失去了日本的那家重要客户後, 情况越来越糟了. stop the rot => stop.