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in any case; at any rate; anyhow; anyway; as you know; for you see; particularly
because; since; for; after all
なにしろ時間がないので無駄話はやめて急ごう。
In any case, we have no time so let us hurry.
なにしろ初めてなので緊張している。
After all, it is my first time so I am nervous.
何しろ安いから文句は言えない。
It's cheap, after all, so I can't complain.