What for?和Hold on,please.

What for?和Hold on,please. please hold on. Please hold on.There's a call for you. someone is waiting for U.Hold on,please:) Please hold on.（翻译） please hold on怎么读 -------- moment,please.A.what B.hold on C.One D.two ________ (hold) on a minute,please!I _______ (look) for a pi 533.Please hold us covered for the cargo listed on the attac 英语翻译So for two containers on 3/3,please hold them and wait f hold on ,please.中的please,可以写成please hold on吗?如果可以它是什么意思? Please hold on a second 用于哪些方面?