for starters
idiomPart ofstarter
for starters — idiom
1. used to introduce the first and most obvious reason, example, or point in a list
1.idiom
Definition
used to introduce the first and most obvious reason, example, or point in a list, especially when you are annoyed or impatient
Example
We cannot go on holiday this year — for starters, we simply do not have the money.
For starters, the report is full of factual errors, and secondly the conclusions are weak.