Surveys about attitudes to marriage are patchy and subject to a lot of reservations.

对婚姻态度的调查杂乱无章并受很多限制。

youdao

But such efforts will ultimately have a patchy and limited impact because they do not address the root causes of unmet health needs in girls and women.

但是，这些努力最终只会产生局部有限的影响，因为它们不能解决女童和妇女健康需求得不到满足的根本原因。

youdao

It was a patchy performance.

那是一场素质不齐的演出。

《牛津词典》

Jones, who is forty, is tall and imposing, with a shaved head and a patchy goatee.

NEWYORKER: Greening the Ghetto

She returned to the semifinals Wednesday despite a patchy performance, beating Sara Errani 7-5, 7-5.

NPR: Sharapova Beats Errani In Key Biscayne Quarters

And yet this too is liable to be a patchy marriage, because the rivalry is so deep-seated.

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