Communication of whatever sort involves not just a speaker but a hearer too.不管什么形式的交流,都不仅涉及讲话者,还涉及听者。The question rattled the speaker.这个提问使讲话者感到惊慌失措。The speaker lost his thread halfway through the talk.讲话者讲到一半乱了思路。The speaker opened the session by relaying some messages to the conference.那位讲话者以向大会传达一些信息开始了会议。