a.

1. 邪恶的；堕落的
   Later on she stopped leading a vicious life.

   后来，她不再过堕落的生活了。

2. 恶意的；恶毒的；凶恶的
   I won't listen to such vicious remarks.

   我不想听这种恶毒的话。

3. 【口】恶性的；剧烈的，严厉的
   He gave the dog a vicious blow with his stick.

   他用手杖对狗狠狠一击。

4. 有错误的，有缺点的
   vicious spelling

   错误百出的拼写

adj.

1. cruel or violent.
   ▸(of an animal) wild and dangerous.
2. literary immoral.
3. archaic (of language or reasoning) imperfect; defective.