Translation of "Denying" in Chinese

There is no denying the fact.

這是無可否認的事實。

There is no denying that she is very efficient.

无可否认她非常有能力。

- I’m not denying that that happened, but one example doesn’t count as evidence.
- I'm not denying it happened, but one example can't be called proof.

我不否认这件事发生了，可是一个例子算不上证据。

I'm not denying it happened, but one example can't be called proof.

我不否认这件事发生了，可是一个例子算不上证据。

I’m not denying that that happened, but one example doesn’t count as evidence.

我不否认这件事发生了，可是一个例子算不上证据。