DP天圆地方
he is so confident in sth.he has confidence in sth.confident是形容词 be confident in sth./sb.对某事/某人有信心confidence是名词 have confidence in sth./sb.对某事/某人有信心是否对你有帮助？不懂的可以再追问我
piaopiao1234
都可以! 1.Im confident of success/I have confidence in gaining successs. 2.I'm pretty confident that you can do this thing well. 3.I'm worried about his capability of completing the task. 4.Leave it to him, I'm not worried at all/ I'm quite worried. 5.I suggest that you stay at home these days, try not to go anywhere.Especially places crowded with people. 希望对你有帮助! :D
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