1. assert oneself : 坚持自己的权利；
及物动词
1. 坚称;断言;坚决表明
If someone asserts a fact or belief, they state it firmly.
1. assert to be true
e.g. The letter asserts a free society
Synonym: insist
2. to declare or affirm solemnly and formally as true
e.g. Before God I swear I am innocent
Synonym: affirmverifyavowaverswanswear
3. state categorically
Synonym: asseveratemaintain
4. insist on having one's opinions and rights recognized
e.g. Women should assert themselves more!
Synonym: put forward