Meaning of the word "a chain is only as strong as its weakest link" in English

What does "a chain is only as strong as its weakest link" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

a chain is only as strong as its weakest link

US /ə tʃeɪn ɪz ˈoʊnli æz strɔːŋ æz ɪts ˈwiːkɪst lɪŋk/
UK /ə tʃeɪn ɪz ˈəʊnli æz strɒŋ æz ɪts ˈwiːkɪst lɪŋk/
"a chain is only as strong as its weakest link" picture

Idiom

a group or organization is only as successful or effective as its least capable or reliable member

Example:
We need to train the new recruits well, because a chain is only as strong as its weakest link.
If one department fails, the whole company suffers; a chain is only as strong as its weakest link.