What? What did you say?

what / that thing (used in place of words you can't remember at the moment.)

Nothing

What?, Huh?

connect with, get a hold of, get in touch with / communicate, correspond / connect to, have a junction

ferry; ferryboat

please give me / (expressing a request) please do something for me

Please do (action)

Please do not (do)

please give me / (polite, imperative) please do something for me; expressing a request