Excuse me, Sir, but one does not give away one's child to a passer-by, like that.
对不起，请原谅，先生，不见得有人肯把自己的孩子随便送给一个过路人吧，我这话，能说不对吗？
2
They were caught on camera by a passer-by, and at least one other person who can be seen filming or taking pictures on his camera phone while the video is filmed.
视频是由一名路人用照相机拍摄到的，画面中还能看到另外一个人也在用手机同时摄影或者拍照片。
3
Pictures of the pet taken by a passer-by have become an Internet sensation after being posted on the photo-sharing website Flickr.