pipe up

• • 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。

  • (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。

  • 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。

  • (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。

  • 为…滚边：

    She is piping up her dress.

    她在给衣服滚边。

  • [口语]哭：

    The children piped up for this.

    孩子们为此大哭起来。