pipe up

pipe uppipe up1.■尖声唱; 吹奏乐曲I love to hear the boys pipe up in church.我爱听男孩们在教堂里歌唱。Suddenly the band piped up a military tune.突然, 乐队奏起一首军乐。2.■开始(大声)讲话A schoolboy at the back of the room piped up with a remark that made the audience laugh.教室后面的一个学生突然高声说了句话, 惹得听众大笑起来。

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pipe up1.■开始演奏(或吹奏、唱歌)：In a little while all the children piped up and began to dance.一会儿所有的孩子都开始载歌载舞起来。2.■(尤指尖声地)开始讲话；(尤指尖声地)开始说；高声说话：The smallest child piped up with the answer.最小的那个小孩尖声地说出了答案。3.■用管道向上输送：The waste water was piped up from the sub-stations to the central station for cleaning.污水通过管道从分站向上输送到总站去净化。4.■(风力)增大，增强，加快速度：The wind had piped up to half a gale overnight.一夜之间风势大为加剧。5.■为…滚边：She is piping up her dress.她在给衣服滚边。6.■[口语]哭：The children piped up for this.孩子们为此大哭起来。

见:pipe: pipe up