あてにならない

expression, i-adjective

unreliable; undependable; untrustworthy

Describes a person, thing, or information that cannot be relied upon. Often used in negative contexts to express doubt or warn against trusting something.

• 彼かれの言いうことは当あてにならない。

  What he says is unreliable.

• この天てん気き予よ報ほうは当あてにならない。

  This weather forecast is not to be trusted.