assert
/əˈsɜːt/verb
reporting verb
1- state a fact or belief confidently and forcefully断言, 坚称：
with clause the company asserts that the cuts will not affect development公司断言这些削减不会影响发展
with obj. he asserted his innocence他坚称自己是无辜的
with direct speech 'I don't know why she came, ' he asserted.“我不知道她为什么来了。”他断然说道。
1.1
- with obj. cause others to recognize (one's authority or a right) by confident and forceful behaviour使他人明确自身权限（或权利）：
the good librarian is able to assert authority when required.
当被问到读者权限问题时, 优秀的图书馆管理员会明确地给出回答。
1.2
assert oneself
behave or speak in a confident and forceful manner果断地行动（或讲话）：it was time to assert himself.
是他采取果断行动的时候了。
派生词
asserter
（亦作-or）noun词源
early 17th cent.: from Latin asserere 'claim， affirm'， from ad- 'to' + serere 'to join'.