(literary) they

(diplomacy) a convention, an agreement

start; beginning; initiation

to start; to begin; to initiate

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

start date

those (referring to things distant from the speaker)

(informal) no problem

unthinkable, out of the question

practical question (problem)