rotten

形容词 rotten:

1. very bad
   同义词：icky, crappy, lousy, shitty, stinking, stinky
2. having or disintegrated; usually implies foulness
3. damaged by decay; hence unsound and useless
   同义词：decayed, rotted

1. This place has an odious smell; something must be rotten.
   这个地方有一股臭味，一定有东西腐烂了。
2. He's a rotten apple.
   他是一个讨厌的家伙。
3. One smell of the rotten meat was enough!
   这腐烂的肉闻一下就够受的了。
4. They have a rotten deal.
   他们受到不公平的待遇。
5. The wood was so rotten that you could put your finger through it.
   这木料腐烂透了，你可以用手指戳穿它。

rot.ten

adj.（形容词）
rot.ten.er,rot.ten.est
Being in a state of putrefaction or decay; decomposed.
腐烂的：处于腐烂或腐败状态的；腐坏的
Having a foul odor resulting from or suggestive of decay; putrid.
腐臭的：由于腐烂而带有恶臭或发令出人想起腐烂臭味的；有腐臭味的
Made weak or unsound by rot:
腐朽的：由于腐烂而变弱或受损伤的：
例句：
rotten floorboards.
破损的地板

Morally corrupt or despicable:
堕落的：道德败坏或卑鄙的：
例句：
She`s rotten to the core.
她坏透了

Very bad; wretched:
非常坏的；极讨厌的：
例句：
rotten weather.
恶劣的天气

adv.（副词）
To a very great degree:
非常，极其：
例句：
The child is spoiled rotten.
这个小孩被宠坏了

来源：
Middle English roten
中古英语 roten
from Old Norse rotinn
源自 古斯堪的纳维亚语 rotinn

【引伸】
rot.tenly
adv.（副词）
rot.tenness
n.（名词）