Windows 7 tries to handle touch operation but it is still hit and miss.

Windows7虽然尝试了手触操作，但仍然不得要领。

I can be a bit hit and miss sometimes but when I do anything I like to try and do it well.

我能有点击中，错过有时，但当我做任何事我想试著做得很好。

"It was totally hit and miss," says Rosemary Osborne of Procter and Gamble in Cincinnati, Ohio.

“完全就是一点一点试出来的。”来自俄亥俄州辛辛那提宝洁公司的罗斯玛丽·奥斯本说。

The quality of inquests used to be hit and miss, with local lawyers and doctors serving as coroners.

过去的调查质量时好时坏，以当地律师和医生作为验尸官。

George didn't know which house on the street was Jane's, so he began ringing doorbells hit and miss.

乔治不知道街上哪幢房子是珍妮的家，所以他挨家挨户地按门铃。