self-confident
🇺🇸
/ˌself ˈkɑːnfɪdənt/
🇬🇧
/ˌself ˈkɒnfɪdənt/
feeling sure about yourself and what you can do
She gave a self-confident speech that impressed everyone.
她发表了一场自信的演讲,给所有人留下了深刻印象。