suspicious

Nghi ngờ, hoài nghi

having or showing a feeling of doubt about the truth, honesty, or goodness of someone or something

• be suspicious of somebody/something

Collocations suspicious behavior · suspicious activity

• The police became suspicious of his movements.

  Cảnh sát đã nghi ngờ về những hoạt động của anh ta.

Gây hoài nghi, đáng ngờ

causing doubt about the truth, honesty, or goodness of someone or something

• be suspicious that

Collocations suspicious evidence · suspicious circumstances

• The man's story was very suspicious.

  Câu chuyện của người đàn ông rất đáng ngờ.

An ninh, bảo mật

used to describe a system or device that is designed to prevent unauthorised access, use, etc.

• suspicious activity

Collocations suspicious system · suspicious device

• The company has implemented a suspicious security system.

  Công ty đã triển khai một hệ thống bảo mật an ninh.