on the tip of the tongue 基本例句 差一点说出;话到嘴边 She was on the point of being guilty of a silly speech, so melted was she at heart.她的心软得差一点说出一段湖涂话来。 Fernand opened his mouth to reply, but his voice died on his lips, and he could not utter a word.弗尔南多张开嘴想说话,但话到嘴边又止住了。