to keep trying until you succeed
继续尝试，直到成功
"He didn’t give up and decided to try and try again."
"他没有放弃，决定继续 继续尝试，直到成功。"
confident and sure of oneself
to do something extremely well or successfully
to talk too much to someone
undecided about something
receiving public attention
to start something from the very beginning
