Unrivaled in skill or ingenuity; so ingenious it cannot be surpassed.
这位老工匠的雕刻技艺简直是巧不可阶，每一件作品都栩栩如生。
The carving skill of this old craftsman is simply unrivaled; every piece of work is lifelike.
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Unrivaled in skill or ingenuity; so ingenious it cannot be surpassed.