回答

・have confidence
・become confident

「有信心」在英語可以用 have confidence 或 become confident 等詞來表達。

I want to focus on what I can do and have confidence in myself.
　（我想專注於我能做的事情，並對自己有信心。）

To become confident is very important to succeed as a professional player.
（對於作為一名專業選手來說，有信心非常重要以取得成功。）

有幫助｜0