技术拙劣的工人抱怨自己的工具。 工具。

A bad workman quarrels with his tools.

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但是，对于金属对金属介面人工髋关节来说，由于设计拙劣或者植入技术不良，球体有时可能会压迫到杯状杯臼的边缘。

But in metal-on-metal hips, either because of poor design or poor implant technique, the ball can sometimes press against the cup's edge.

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但是，由于长期缺乏资金，技术过时以及管理手段拙劣等原因，这两家公司背负了大量的债务。

Years of underinvestment, outdated technology, and poor management had left them crippled with debt.

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