v. （坚决）主张；断言

• assertion

  n.  断言，声明，主张

• assertive

  a.  果断的，积极的，自信的

• assert your rights/independence/superiority  坚持自己的权利/独立/优越性

• assert yourself  积极表达自己的意见

• assert itself  〔观念、信念〕产生影响

• A politician noted for being cautious asserts that sustainable human development depends on the natural environment.

• But an array of countries are rushing to assert greater influence here, with an eye not just towards the day those protective treaties expire, but also for the strategic and commercial opportunities that already exist. 产生更大的影响

• The research stations on King George Island offer a glimpse into the long game on this ice-blanketed continent as nations assert themselves, eroding the sway long held by countries like the United States, Britain, Australia and New Zealand.

  积极表达自己的意见

• Women began to assert themselves politically.

  女性也开始积极提出自己的政治主张。

• Do you have any evidence to support your assertions? 你的断言是否有真凭实据？

• Women have become more assertive in the past decade.

  妇女在过去十年已变得更坚定自信。

• National pride began to assert itself.

  民族自豪感开始产生影响。