これで
here; with this
So now there are at least 20 rainbow trout in this area.
これでも
even though things may appear this way
これでもか
isn't this enough?;are you still not satisfied (with this amount)?
これでもかこれでもか
as if it weren't already enough
これでもかというほど
これでかつる
victory is mine;with this, I'll win