What a complicated machine! I can't possibly use it.

这是一台多么复杂的机器！我可不会使用它。

youdao

Your body is like a complicated machine, always working to keep you alive.

你的身体就象一个复杂的机器，不停歇地工作着保持你的生命。

youdao

The diesel engine is a complicated machine with many vibration sources, so the traditional vibration analysis and single parameter test method cannot determine the diagnosis accurately.

柴油机结构复杂，振源众多，常规的振动分析及单项指标测试对于故障的定位与诊断精确度不高。

youdao

Asimo, by contrast, is an ornate, expensive and complicated piece of machinery that really only seems useful if you need a machine that can climb a stair for you.

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Big has gotten harder: Fusion power is infinitely more complicated than internal combustion, and a laptop computer inhabits a different universe from an adding machine.

FORBES: Why Can't We Do Big Things Anymore?