Unemployment, being the knottiest issue of all, has been relegated for now to the back burner.

失业是最棘手的问题，暂时已搁置起来，以后。

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Even so, by using his chosen questions like wedges, Mr. Kolakowski succeeds in splitting open even the knottiest systems.

即便如此，科拉柯夫斯基先生把像这些挑选的问题当作楔子一样使用，成功地切开最纠缠不清的体系。

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It has became the knottiest problem for parents to deal with their children's "problem behaviors" in the course of growing up.

如何处理孩子成长过程中的“问题行为”已成为许多父母最感棘手的问题。

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Public Advocate Bill de Blasio, said the mayor is "out of touch" and didn't outline any bold ideas to tackle the city's knottiest problems.

WSJ: Mayor Celebrates His Achievements