IPA: /ˈtrʌbləsli/
KK: /ˈtrʌbləsli/
In a way that causes trouble or difficulty.
She spoke troublously about the challenges they faced during the project.
The word 'troublously' is formed from 'trouble' (from Old French *trouble*, meaning disturbance or disorder) and the suffix '-ly' (meaning in a manner of). Thus, 'troublously' means in a manner that causes or is characterized by trouble or disturbance.
Think of 'trouble' as a disturbance, and remember that 'troublously' describes something done in a way that causes disturbance.