以实现或实现可能性很小的愿望。

I wish I could fly in the sky.

youdao

决策还应考虑到那些为在经济环境中充分认证但需采取风险处理措施的的风险，如会产生严重后果但发生可能性很小的风险。

Decisions should also take into account risks which can warrant risk treatment that is not justifiable on economic grounds, e. g. severe (high negative consequence) but rare (low likelihood) risks.

youdao

这位前托特纳姆教练在快满51岁时坐上了主教练位子，在第一次提到自己这次可能性很小的升任时这样说：“这个时刻让人非常骄傲。

"It's a very, very proud moment, " said the former Tottenham coach who, at almost 51, has landed his first managerial post.

youdao

So, the chances of getting any activity from these inner shell of electrons are vanishingly small.

所以，内层电子间,进行反应的可能性,是很小很小的。

麻省理工公开课 - 固态化学导论课程节选