suspect名词为suspection，形容词为suspective。
名词的意思有：嫌疑犯，嫌疑分子；可疑分子，被怀疑的人，可疑人物，可疑对象。
someone who is under suspicion；a person or institution against whom an action is brought in a court of law; the person being sued or accused。
形容词的意思有：可疑的，受到怀疑的，令人怀疑的；不可信的，靠不住的；需检定的，待检的；可能有危险的；有违法嫌疑的。
not as expected;"there was something fishy about the accident""up to some funny business""some definitely queer goings-on""a shady deal""her motives were suspect""suspicious behavior"。
supect的常见例句。
(1) They suspected an ambush. 他们怀疑有埋伏。
(2) I suspect he was lying by the boy's abnormal behaviour.从那个男孩的反常举动中,我怀疑他在撒谎。
(3) Just at that time, I began to suspect whether to tell her that matter. 只是在那个时候,我开始怀疑我是否应该告诉她那件事。
(4) She has more intelligence than we suspected her to possess.她的智慧比我们猜想的要高。
(5) He's a prime suspect in the murder case.他是这次谋杀案的主要怀疑对象。
(6) The police couldn't prove the suspect's guilt.警察不能证实嫌疑犯的罪行。
(7) His fitness is suspect, so we can't risk including him in the team.他的健康令人怀疑,所以我们不能冒险接受他入队。
(8) His statements are suspect. 他的陈述可疑。