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

1.
sospechoso, desconfiado
having or showing a cautious distrust of someone or something
:
•
He gave me a suspicious look when I asked about the money.
Me miró con sospecha cuando le pregunté por el dinero.
•
The police became suspicious after finding inconsistencies in his story.
La policía se volvió sospechosa después de encontrar inconsistencias en su historia.
2.
sospechoso
causing one to have the idea or impression that something is wrong or illegal
:
•
There was a suspicious package left outside the building.
Había un paquete sospechoso dejado fuera del edificio.
•
Her sudden wealth seemed highly suspicious.
Su riqueza repentina parecía muy sospechosa.