confident
🇺🇸
/ˈkɑːnfɪdənt/
🇬🇧
/ˈkɒnfɪdənt/
sure of your own skills and success
She felt confident about doing well on the test.
彼女は試験で良い成績を収めることに自信を持っていた。
certain that something will happen as you want
He was confident that his team would win the game.
彼は自分のチームが試合に勝つと確信していた。