assert that + clause
He asserted that he had never seen the document.
他断言自己从未见过那份文件。
断言；坚称
asserted — past of assert
维护；坚持（主张等）；表明；显示；证明；坚持自己的主张；表现自信；断言（程序中的真值检查）；置位（信号）；驱动（信号）
To state something clearly, firmly, and with confidence.
有把握地或明确而强烈地声明；肯定地陈述
To declare with assurance or plainly and strongly; to state positively.
使用或行使并证明其存在
To use or exercise and thereby prove the existence of.
维护或捍卫(事业或主张)
To maintain or defend, as a cause or a claim, by words or measures; to vindicate a claim or title to.
坚持自己的权利或意见,不轻易被忽视
To insist on the legitimacy of one's rights, opinion, etc; not to allow oneself to be dismissed; to ensure that one is taken into consideration; to make oneself respected; to be assertive. See assert oneself.
断言(在源代码中声明条件必须为真)
To declare that a condition or expression must be true at a certain point in the source code (in some cases causing the program to fail if it is not, as a safeguard).
设置信号(在线上施加电压或电流)
To set a signal on a line using a voltage or electric current.
一般现在时
She always asserts her opinion strongly.
她总是坚定地表达自己的观点。
现在进行时
He is asserting his authority in the meeting.
他正在会议中主张自己的权威。
现在完成时
They have asserted their rights.
他们已经主张了自己的权利。
规则动词，注意第三人称单数加-s，过去式和过去分词加-ed。
She asserted her opinion during the meeting, even though others disagreed.
她在会议上坚持陈述自己的观点，尽管其他人不同意。
用法提示：动词“assert”表示坚定地陈述或主张，这里用了过去式asserted。
The scientist asserted that the data supported his theory.
这位科学家断言这些数据支持他的理论。
用法提示：动词“assert”后接that从句，表示断言或宣称。
He always asserts his authority in the classroom.
他总是在课堂上维护自己的权威。
用法提示：第三人称单数asserts，后接名词短语，表示坚定地维护或主张。
He asserted that he had never seen the document.
他断言自己从未见过那份文件。
指自信地表达自己的观点或权利。
She needs to learn to assert herself in meetings.
她需要学会在会议中坚持自己的主张。
The lawyer asserted his client's innocence.
律师坚称他的当事人无罪。
语气正式，多用于官方或公开场合的正式宣告。
语气庄重，强调对事实或信念的坚定确认。
侧重于在面临反对或质疑时仍坚持某种观点。
侧重于在没有证据的情况下断言，可能带有争议性。
grammar · medium
易错句子He asserted to be the owner of the car.
正确表达He asserted that he was the owner of the car.
“assert”是及物动词，后接that从句或名词作宾语，不能直接接不定式。改正为that从句，表达断言的内容。
grammar · medium
易错句子She asserted about her rights.
正确表达She asserted her rights.
“assert”直接接宾语，无需介词。表示“主张、坚持（权利等）”时，直接跟名词。加了介词about导致结构错误。
affirm 侧重基于证据或信念的正式确认，语气较温和；assert 则更强硬，常带有不容置疑的意味
claim 指宣称某事为事实但可能缺乏证据，常与权利或主张关联；assert 强调坚定、自信的声明，有时更具挑战性
坚持己见；表现自信
She learned to assert herself in meetings.
她学会了在会上坚持己见。
声称；断言
He asserted that the report was accurate.
他断言报告是准确的。
维护权威
The manager asserted his authority over the team.
经理维护了自己对团队的权威。
显示优势
The alpha male asserts dominance over the pack.
雄性首领对群体显示优势。
加强控制
The government asserted control over the region.
政府加强了对该地区的控制。
坚称无罪
The defendant asserted his innocence throughout the trial.
被告在整个审判中坚称自己无罪。
assert + -ion
assert + -ive
assert + -ive + -ly
assert + -ive + -ness
re- + assert
self- + assert + -ion
as- (前缀: 向, 朝) + sert (词根: 放置, 连接)
in- (前缀: 向内) + sert (词根)
ex- (前缀: 向外) + sert (词根)
常与assert搭配，指在争论中坚持主张
在法律或正式场合中，assert常用于确保证词的真实性
人们常assert自己的原则或信念
assert one's position 是常见搭配，表示坚持立场
assert one's rights 指维护自己的权利
坚持自己的主张；表现自信
She needs to assert herself more in meetings.
她在会议上需要更加坚持自己的主张。
维护自己的权利
Citizens should assert their rights to free speech.
公民应该维护自己言论自由的权利。
行使/维护自己的权威
The manager had to assert his authority to resolve the conflict.
经理不得不行使自己的权威来解决冲突。
Dictionary facts from ECDICT, WIKTIONARY.