completely unreliable 意味

• 《be ～》全く当てにできない［当てにならない］
  

例文

1. however , prince atsuakira was not related to michinaga through maternal relatives , and the family of his mother , seishi , did not back him up and the prince ' s father-in-law was akimitsu , udaijin , but he did not have much respect and was completely unreliable .
   だが、敦明親王と道長には外戚関係がなく、母の娍子の生家は後ろ盾にならず親王の舅は右大臣顕光だが、人望がなくまるで頼りにならなかった。