おそらく、見張りに重大な欠陥があったんではないかと考えています。

tbd

I think that it likely that there was a major fault in the lookout.

彼らは欠陥テレビを新しいのと取りかえた。

tbd

They replaced the defective TV with a new one.

彼らは欠陥がないかとその機械を調べた。

tbd

They checked the machine for defects.

車は欠陥がないか最低３ヵ月に１回検査される。

tbd

The vehicles are inspected for defects at least every three months.

彼の理論にはまったく欠陥が見当たらない。

tbd

I can't find anything wrong with his theory.

I can't find any holes in his theory.

彼の専門的知識の欠陥が昇進を妨げた。

tbd

His lack of technical knowledge precluded him from promotion.

His lack of technical knowledge kept him from being promoted.

彼の実験は細部において多くの欠陥があった。

tbd

His experiment had many faults in its details.

彼が提出した結果に明白に見られる誤りは、手順の欠陥というよりは不注意に起因するものである。

tbd

The errors apparent in his results are due more to carelessness than faulty procedures.

党幹部らは、党組織の欠陥問題に取り組んでいます。

tbd

Party leaders are grappling with flaws in the party system.

製造業者はその製品の欠陥に対して法的な責任がある。

tbd

Manufacturers are liable for defects in their products.