Translation of penetrieren

This website helped me learn French. Although most of the users intend to learn either Spanish, German and English some users come here to learn French. I met a few people that helped me with it.
And others are not, some of us are speaking (too) freely about it, without paying attention to what they really say. Some of us know how to restrain because we know that these feelings are malicious.
I called the Hilton hotel in Cuba and asked them whether it was worth coming or if they suggest to postpone the arrival. Their response was clear: Don't come unless you really have too.