英语怎么说有人吗，有人？

如果对方是光敲门而没做声，你可以说 Hi,pls wait a moment
那如果对方说话了，应该会说Hello. everybody here?那你回答，yes,或者再加上pls wait a moment

告诉他
“please wait for a moment"就ok 了

Is there anybody

every body here?
hello?

someone here

is anybody here?
yes