Translation of "Mistaking" in Japanese

There's no mistaking about that.

その点はまちがいっこない。

As all kinds of communication methods are proliferating, human relationships are weakening. This is a perfect example of mistaking means for ends.

コミュニケーションの方法が多種にわたって増加する一方で人間関係が希薄なものになりつつある。まさに本末転倒だ。

If you say "I was tricked," well that's certainly so but there's no mistaking that you were the one who signed up on a "sweet deal".

「騙された」と言ってしまえばそれまでですが、「うまい話」に乗った当人であることは間違いありません。