devilishly

音标发音

Flu has a devilishly efficient transmission mechanism.
流感有非常有效的传播机制。
Third, much of the best technology is still devilishly expensive.
第三是多数最好的技术仍然非常昂贵。
This, it turns out, is obvious in theory but devilishly challenging to show in reality.
这一点在理论上显而易见，但事实证明，在现实中这非常具有挑战性。

Transitioning to the new proposed scheme seems to be devilishly complicated and may take 40 years.
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But sentiment moves fast and is devilishly unpredictable (in part because of the aforementioned salad).
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After all, they learnt all the tricks of the trade from the devilishly crafty Brits.
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