The phrase "to get across" means to convey or communicate something effectively, especially when it is important or difficult. It can refer to expressing an idea, opinion, or feeling in a way that others understand and accept. The term can also be used figuratively to describe the successful completion of a task or goal. For example, "I hope I can get across my point of view during this meeting" or "We need to find a way to get our message across to the public."