hard drug
US /ˌhɑːrd ˈdrʌɡ/
UK /ˌhɑːrd ˈdrʌɡ/

1.
droga pesada
an illegal drug that is addictive and seriously harmful, such as heroin or cocaine
:
•
The police seized a large quantity of hard drugs during the raid.
A polícia apreendeu uma grande quantidade de drogas pesadas durante a batida.
•
He was arrested for dealing hard drugs.
Ele foi preso por traficar drogas pesadas.