rag-tag

基本解释

And his team is a rag-tag group of credit-card vets and industry castoffs.
他的团队成员都是从信用卡行业离开或被抛弃的“乌合之众”。
To some, he exemplified resistance, a man who turned a fledgling, rag-tag movement into a world renowned organisation, with sole responsibility for the Palestinians.
对于有些人来说，他象征着抵抗，将寂寂无名的乌合之众变为一个举世皆知的组织，巴勒斯坦人民的大救星。
In short, destruction from the inside by insiders and not by a rag-tag group of fanatics who were incapable of flying the planes they supposedly deployed with incredible skill.
简而言之，破坏是由内部人员完成的，而不是由一些狂热的乌合之众造成的，他们不可能有如此高超的飞行技巧。

My kids loved this rag-tag bunch because they were engaging and funny, and just the right kind of funny-looking.
FORBES: SNL, The Muppets, And Sesame Street Know Purpose Is At The Heart Of Great Brands
The result is an under-equipped rag-tag of men, who have never worked together, taking on tasks that even the most professional army would avoid.
ECONOMIST: United Nations
The rag-tag coalition of parties that ousted her soon fell apart.
ECONOMIST: Happy anniversary?

If you want to say that a group of people or an organization is badly organized and not very respectable, you can describe it as a ragtag group or organization.