question, problem on homework etc. / a question; a matter (of time etc.) / a problem (something that needs to be dealt with); a trouble / an issue; a matter

pleasantries, lip service, pleasantry, diplomatic remarks

use one thing for many purposes / work someone hard

to use one's head

You'll be convinced if you listen to me.

in the middle of a conversation; on the other line of the phone

diplomat

diplomat

foreign ministry, (department of) foreign affairs

everything