A weak link singular noun common
Someone or something seen as inferior to the rest of a group, series, or system.
She treated Jimmy as a weak link in her team.
It's a great team, but the goalie may be a weak link due to his inexperience.
It is the weak link in the company's line of products, so we need to have a plan to improve it.
To lose one's vigour, vitality, hope, or determination
Used to disapprove of someone or something because their ideas, colour, flavor, and character ect. are not firm or clear enough
A pathetic person.