umaumauhauha
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

麻酥酥Jessica
have confidence in somethingI have confidence in getting the first one of the English reading.
纯爱火乐
faith in;be sure of oneself;be confident of。短语有信心 Confidence,be confident of,Confident你应该有有信心 You should have confidence ; You should have a confident有信心克服 Have confidence in overcoming ; confident of overcoming ; Confidence to overcome
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