Definition: when you are certain of your ability to do things well Level: B2
他有自信走进一个满是陌生人的房间并开始交谈。
He has the ___confidence to walk into a room of strangers and start a conversation.
这门课程给了我处理工作中棘手情况的自信。
The course gave me the ___confidence to handle difficult situations at work.
他技术非常娴熟，但有时仍然缺乏自信。
He is very skilled, but sometimes he still lacks ___confidence.
