英语好的人帮我把这几句中文翻译成英文

1 it's not the legendary UFO?
2 must be. On television UFO is such.
3 they chased the UFO flying in the direction of the run, UFO landed in a lawn. A seemingly human things from the UFO came out and coming toward them.
4 you humans wading get along. Nice to meet you. When I was a tour guide, can leave me a happy journey of earth