Anything that is numbering a group of people or any kind of thing at all will probably be important.

任何有数字的一群人或任何类似的东西很可能会很重要。

Check out group number three, the most difficult one.

查看第三组，这是最困难的一组。

You know these are small group number of people that they( are) doing irresponsible work, and then everybody is paying the price for these people's work.

大家知道，这是一小撮人的不负责行为，然后每个人都得为他们干的事付出代价。