a company or institution that is so important that it is unlikely to fail
一个公司或机构如此重要以至于不太可能失败 (yi ge gongsi huo jigou ruci zhongyao yizhiyu bu tai keneng shibai)
"Many financial institutions were considered too big to fail during the 2008 financial crisis."
"在2008年金融危机期间,许多金融机构被认为是‘大而不倒’。" (zai 2008 nian jinrong weiji qijian, xuduo jinrong jigou bei renwei shi 'da er bu dao')
something that is very easy to do
until the very last moment; close to the deadline
something very complicated or difficult to understand
to fail to do what one promised
something so impressive that others find it hard to match or...
to forget past mistakes and start fresh