Wiktionary
take liberties
vb. 1 (context idiomatic English) To act on one's own authority, without asking for permission. 2 (context idiomatic English) To behave disrespectfully, especially to make unwanted sexual advances.
Usage examples of "take liberties".
Then a sergeant named Drouet threw the match into the powder keg by grabbing a pretty married woman and trying to take liberties.
Now, he was going to try to take liberties, just as Ellen predictÂ.
These were no gentlemen, though the one who had shoved Anamara through the door and instructed her to say Rohan had tried to take liberties had undoubtedly been Piaul.
Do you not realize that you cannot take liberties with this climate?