She is on the far left of the party.

她是这个党的极左分子。

《牛津词典》

Among the participants was Sevastopol city councilman Yevgeniy Dubovik, a member of the pro-Russian and far left Progressive Socialist Party of Ukraine.

VOA: standard.2010.03.17

Members of a far-left minority party surrounded trade committee Chairman Park Jin's podium and tried to physically block a vote to advance the trade deal to a full ratification vote.

VOA: standard.2009.04.22

Jean-Luc Melenchon, a leader of France's far-left party who is no fan of Cahuzac, said the budget minister should nonetheless keep his position for the time being.

NPR: Offshore Account Dispute Snarls Top French Taxman

When I interviewed a Syriza spokesman earlier this year I explored the problem of a far-left party, which is anti-Nato etc, taking power in a country whose riot police have been regularly clashing with that party's youth since 2008.

BBC: Greece: Trying to understand Syriza

Among the disappointed were also the Christian Democrats, the centre-left D66 and the far-left Socialist Party, which until less than a month ago enjoyed unprecedented popularity.

ECONOMIST: Elections in the Netherlands