suspicious
US /səˈspɪʃ.əs/
UK /səˈspɪʃ.əs/

1.
desconfiado, suspeitoso
having or showing a cautious distrust of someone or something
:
•
He gave me a suspicious look when I asked about the money.
Ele me deu um olhar desconfiado quando perguntei sobre o dinheiro.
•
The police became suspicious after finding inconsistencies in his story.
A polícia ficou desconfiada depois de encontrar inconsistências em sua história.
2.
suspeito
causing one to have the idea or impression that something is wrong or illegal
:
•
There was a suspicious package left outside the building.
Havia um pacote suspeito deixado do lado de fora do prédio.
•
Her sudden wealth seemed highly suspicious.
Sua riqueza repentina parecia altamente suspeita.