to speak or perform without preparation
没有准备的讲话或表演 (meiyou zhunbei de jianghua huo biaoyan)
"He gave an off the cuff remark that impressed everyone."
"他发表了一个即兴的评论，给大家留下了深刻印象。" (Ta fabiao le yige jixing de pinglun, gei dàjiā liúxià le shēnkè yìnxiàng.)
Keep trying even after multiple failures.
The percentage of visitors to a website who take a desired a...
to make progress or advance
to hope for good luck
to be very confident and not shy at all
to review or discuss something thoroughly
