be in prospect, be coming
через несколько дней предстоят выборы — in a few days we are going to have elections, in a few days elections will take place
нам предстоит — (+ сущ. ) we are faced (with); we are in (for) разг. ; (+ глаг. ) we are (+ to inf. ):
нам предстоит путешествие — we are faced with a journey
ему предстоят трудности — difficulties are in store, или lie* in wait, for him
нам предстоит решить вопрос — we (will) have to solve the problem