take offense (at) (something)
To be or feel insulted, offended, or humiliated by something. I know your comments were made completely in jest, but I couldn't help taking offense at them. I noticed your parents leaving early. I do hope they haven't taken offense.
take offense (at someone or something)
to be insulted by someone or something. Bill took offense at Mary for her thoughtless remarks. Almost everyone took offense at Bill's new book. I'm sorry you took offense. I meant no harm.
take offense
Feel resentment or emotional pain, as in I didn't realize he'd take offense when he wasn't invited. [Mid-1800s]