决定大选的日期是首相的特权。 It's the Prime Minister's prerogative to decide when to call an election.
早日举行大选确有可能。 An early general election is certainly on the cards.
谣传要进行大选。 There's (some) talk of a general election.
绿党希望提出若干候选人参加大选。 The Green Party hopes to put up a number of candidates in the General Election.
鉴於即将举行大选,首相认为变通一下政策在政治上有利。 Since there was soon to be a general election, the Prime Minister decided that a change of policy was politically expedient.