suspect

doubt, suspect, distrust

这些动词均含“怀疑”之意。
doubt: 普通用词，多指因证据不足或仅凭证据还不能肯定而产生怀疑，多含否定意味。
suspect: 指猜疑、疑心，肯定意味较多。
distrust: 指疑惑、猜疑，不信任。

名词 suspect:

1. someone who is under suspicion
2. a person or institution against whom an action is brought in a court of law; the person being sued or accused
   同义词：defendant

动词 suspect:

1. imagine to be the case or true or probable
   同义词：surmise
2. regard as untrustworthy; regard with suspicion; have no faith or confidence in
   同义词：distrust, mistrust
3. hold in suspicion; believe to be guilty

形容词 suspect:

1. not as expected
   同义词：fishy, funny, shady, suspicious

1. He's a prime suspect in the murder case.
   他是这次谋杀案的主要怀疑对象
2. They suspected an ambush.
   他们怀疑有埋伏。
3. His statements are suspect.
   他的陈述可疑。
4. Are political suspects kept under police observation in your country?
   你们国家的政治嫌疑犯受警察监视吗？
5. She has more intelligence than we suspected her to possess.
   她的智慧比我们猜想的要高。