sure of oneself
01
feeling confident and certain about one's abilities or decisions
例子
He felt sure of himself after completing the challenging project successfully.
Despite the criticism, she remained sure of herself and continued with her plans.
02
excessively confident in one’s abilities or opinions, often appearing arrogant
Disapproving例子
When she said she could handle the project alone, she seemed overly sure of herself.
They act as if they know everything, always so sure of themselves.
