suspicion/ səs'pɪʃən /

1.noun [c/u] 
(about crime,wrongdoing) 怀疑

2.noun [c/u] 
(distrust) 怀疑

3.noun [c] 
(idea) 模糊的想法

4.noun [s] 
(trace,hint) 一点儿

to be arrested on suspicion of murder
因谋杀嫌疑被逮捕
to be under suspicion
受到怀疑