pipe up造句

1、I love to hear the boys pipe up in church.
我爱听男孩们在教堂里歌唱。

2、We love to hear the girls pipe up in our church.
我们喜欢听姑娘们在教堂里高声歌唱。

3、I have to pipe up when they are pushing that crazy idea.
当他们在鼓吹那疯狂的想法时，我不得不大发议论。