German phrase
Ich bin dagegen, weil ~.
Meaning
I'm against it because ___
When to use it
Use it to oppose a plan. It can sound a little firm.
Example dialogue
Sollen wir heute Abend ins neue Restaurant gehen?
Shall we go to the new restaurant tonight?
Ich bin dagegen, weil es zu teuer ist.
I'm against it because it's too expensive.