His lack of technical knowledge kept him from being promoted.
Son manque de connaissances techniques l'empêcha d'être promu.
העדר הידע הטכני שלו בלם את הקידום שלו.
彼の専門的知識の欠陥が昇進を妨げた。
彼の専門知識の欠落が彼の昇進を阻んだ。
Teknik bilgi eksikliği, onun terfi ettirilmesini engelledi.
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