他 / 本来 / 想 / 保守 / 这个 / 消息 / 却 / 一 / 顺嘴 / 把 / 真相 / 告诉 / 了 / 同事他本来想保守这个消息,却一顺嘴把真相告诉了同事。He had intended to keep the news to himself, but he blurted out the truth to his colleague.