suspicion
/səˈspɪʃən/noun
1
- a feeling or thought that something is possible, likely, or true怀疑：
she had a sneaking suspicion that he was laughing at her.
她内心里偷偷怀疑他正在嘲笑她。
1.1
- a feeling or belief that someone is guilty of an illegal, dishonest, or unpleasant action（对某人有罪、不诚实等的）怀疑：
police would not say what aroused their suspicions
警察们不肯说是什么引起了他们的怀疑
mass noun he was arrested on suspicion of murder.他因涉嫌谋杀而被捕。
1.2
- mass noun cautious distrust审慎的怀疑：
her activities were regarded with suspicion by the headmistress.
她的活动被女校长认为是可疑的。
2
- a very slight trace of something一丝：
a suspicion of a smile.
一丝笑意。
短语
above suspicion
- too obviously good or honest to be thought capable of wrongdoing无可怀疑的。
under suspicion
- thought to be guilty of wrongdoing受到怀疑的。
词源
Middle English: from Anglo-Norman French suspeciun, from medieval Latin suspectio（n-）, from suspicere 'mistrust'. The change in the second syllable was due to association with Old French suspicion （from Latin suspicio（n-） 'suspicion'）.