词：persist
persist 表示“继续存在”时，主语往往是有负面含义的事物。我们可以用它来替换“exist”，在一些语境中用 persist 更准确、简洁。 有时候也可以替换remain，但remain也是并没有负面含义。
英英释义：to continue to exist
例句：If the fever and cough persist, see a doctor.
persist verb
2. continue to exist 持续
[搭配]ADV.still, to this day 仍然持续； 存留到今天:a belief that persists to this day 存留至今的信念
indefinitely 无限期地持续下去
[搭配]VERB + PERSIST
be likely to 很可能持续
tend to 往往会持续下去
be allowed to 被容许持续下去:This situation cannot be allowed to persist. 不能容许这种情形持续下去了。
[搭配]PREP.for 持续… 时间:If symptoms persist for more than a few days, see a doctor. 如果症状持续多日，就去看医生。
into 持续到…:These practices persisted into the Middle Ages. 这些做法一直延续到中世纪。
through/ throughout 持续整个…期间:The depression persisted through much of the 1930s. 20 世纪30 年代的大部份时间都是经济萧条。
until 持续到… 为止:The snows persisted until the second month of the new year. 雪一直下到第二年的2 月。
2）翻译下面的句子：
尽管官方予以否认，但谣言仍未平息。
The official has denied, but the rumors still persist.
（参考翻译：Despite official denials, the rumors still persist.）
造句：
即便在官方为自己的失误道歉之后，示威也并没有结束。愤怒的公众所要的不是由于压力而采取的表面上的妥协，而是实质性的针对系统性腐败的措施.
Even after the official apology for their mistakes, the demonstration persists. What the angry public wants is not an ostensible concession under pressure, but substantial steps to fight against systematic corruption.