trouble

/tʁubl/
1.
nounmasculine

disorder (medical or psychological condition)

disturbance; disruption; unrest

problem; difficulty

Il souffre d'un trouble du sommeil depuis plusieurs années.

He has suffered from a sleep disorder for several years.

2.
adjective

blurry; indistinct (vision, image)

cloudy; turbid (liquid, surface)

Ma vue est toute trouble ce matin.

My vision is all blurry this morning.