美国国务院在宣布这一不同寻常的举措时，提到了未具体说明的安全担忧。巴西将于周日举行竞争激烈的总统选举。
The State Department cited unspecified security concerns in announcing the unusual move. A closely fought presidential election in Brazil takes place on Sunday.
美国宣布，从周五开始暂停其驻巴西外交机构的领事服务，理由是未具体说明的安全担忧。
The United States announced that it was suspending consular services at its diplomatic missions in Brazil starting on Friday, citing unspecified security concerns.
公告称：“在此期间寻求紧急援助的美国公民，请勿前往大使馆、领事馆或其他美国外交设施。”
“U.S. citizens seeking emergency assistance during this time should not come to the Embassy, the Consulates, or other U.S. diplomatic facilities,” the announcement said.
该通知没有详细说明安全担忧的性质，也没有说明暂停服务将持续多久。美国国务院未立即回应置评请求。
The notice did not elaborate on the nature of the security concerns, or say how long the suspension would last. The State Department did not immediately respond to a request for comment.
巴西将于周日举行总统选举第一轮投票，这场竞争激烈的竞选可能会决定这个拉丁美洲最大的国家是否会像该地区其他国家一样，向政治右翼倾斜。
Brazil is holding a first-round presidential election on Sunday in a closely fought campaign that could determine whether the country, the largest in Latin America, will follow others in the region in shifting to the political right.
民调显示，现任左翼总统路易斯·伊纳西奥·卢拉·达席尔瓦与右翼挑战者弗拉维奥·博索纳罗（前总统雅伊尔·博索纳罗之子）的支持率几乎持平。第二轮投票定于10月25日举行。
Polls show that the incumbent, President Luiz Inácio Lula da Silva, a leftist, is practically tied with a right-wing challenger, Flávio Bolsonaro, the son of former President Jair Bolsonaro. A second vote is scheduled for Oct. 25.
此次选举正值与特朗普政府的外交裂痕在过去一年中不断扩大之际，双方在新的美国关税以及有组织犯罪等问题上存在意识形态冲突。
The election comes amid a diplomatic rift with the Trump administration that has widened over the last year, with new U.S. tariffs and ideological clashes on issues like organized crime.
美国和巴西在联合调查欺诈和贩运等国际犯罪方面有着悠久的历史。专家表示，这种合作对于打击拉丁美洲的贩毒集团至关重要。
The United States and Brazil have a long history of jointly investigating international crimes like fraud and trafficking. Experts say the cooperation has been crucial in fighting Latin American drug gangs.
今年7月，巴西政府阻止了一个美国代表团前往该国。随后，在8月，特朗普政府撤销了巴西驻美最高外交官的签证。
In July, the Brazilian government blocked a U.S. delegation from traveling to the country. Then, in August, the Trump administration revoked the visa of Brazil’s top diplomat in the United States.
特朗普先生尚未公开支持周日电选中的任何候选人。但卢拉先生的一些支持者称，特朗普政府以微妙的方式扶植了博索纳罗先生。博索纳罗的父亲在上次选举中败给卢拉先生，后来因策划政变被定罪并置于软禁。
Mr. Trump has not openly championed a candidate in Sunday’s elections. But some supporters of Mr. Lula say the Trump administration has in subtle ways lifted Mr. Bolsonaro, whose father lost the last election to Mr. Lula and was later convicted and placed under house arrest for plotting a coup.
克莱尔·摩西斯是《泰晤士报》驻伦敦记者，主要报道突发新闻和热门新闻。
Claire Moses is a Times reporter in London, focused on coverage of breaking and trending news.