Zenmeban? 怎麼辦? "What to do?", with meanings including "What can be done?" "What do I (we, you) do now?" "How might one go about solving/dealing with this predicament?" It's a very useful phrase to elicit help from a recalcitrant, bureaucratic-minded person who would otherwise ignore your plight.
"Sorry, even though you booked a room at our hotel, we have no rooms available. (thinks: Now go away and stop bothering me.)"
"Well, let's see. We can put you in the Presidential Suite for now, at no extra charge, until another room becomes available."
Zenmeyang? 怎麼樣? "In what way?", with meanings including "What do you think?", "What do you say?", "How's it going?", and in some circumstances can even mean "What's your point?"