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3. a chain is only as strong as its weakest link

a chain is only as strong as its weakest link

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a chain is only as strong as its weakest link

If one part of something is weak, it jeopardizes the integrity, quality, or effectiveness of the whole. I need to make sure that everyone on our debate team is well-prepared, since a chain is only as strong as its weakest link.

See also: chain, link, strong, weak