Well, for example, what if he'd made an improper advance toward her?

Causes a person to become amorous so that he can be arrested for making improper advances.

An outraged daddy will do it for making improper advances to his daughter.

She once had to suggest to a movie studio that it fire a male scout who made improper advances toward a female homeowner.

But he would not make any improper advances to Jane Ingleby.

While out of town on a business trip, Linda's boss makes improper advances to her.

In a few days, you'll be defending yourself in a civil suit against a charge of improper sexual advances.

"I gather that he made some improper advances, yes," Peter said reluctantly.

In all, he denied that he had made improper advances.

Why, she'd knock the ears off the first slicker who made an improper advance!