最後まで聞いてよ
最後まで聞いてください
to listen to (something) in its entirety
Let me finish.
最後の最後まで
to accomplish something
to do something thoroughly
最後になりますが
the act of doing something until it is completed
最後のこと
最後には
Don't give up until the last minute.
Let me finish.
the final investigation