There are multiple definitions - click on the translation that matches your context.

弱点

名词

full

fault

noun

Definitions of fault

a broken part, weakness or error in something

The fault was found following an inspection by one of their engineers.

legal responsibility for an accident, misfortune, breach of contract, or an infringement of a law or a right, or other failure or wrongdoing

The commissioner found the rest home to be at fault in a recent case concerning the care of an elderly woman.