gateway drug

US /ˈɡeɪtweɪ drʌɡ/
UK /ˈɡeɪtweɪ drʌɡ/
"gateway drug" picture
1.

dadah permulaan, dadah gerbang

a drug whose use is thought to lead to the use of more dangerous drugs (such as heroin or cocaine)

:
Marijuana is often considered a gateway drug by some.
Ganja sering dianggap sebagai dadah permulaan oleh sesetengah pihak.
The theory of gateway drugs suggests a progression from less harmful to more harmful substances.
Teori dadah permulaan mencadangkan perkembangan daripada bahan yang kurang berbahaya kepada bahan yang lebih berbahaya.