hit-or-miss

Finding music that matches your tastes can be hit or miss.

在乐海了里寻找合自己口味的音乐简直就像大海捞针,只能是碰碰运气.

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

乔治不知道简[珍妮]住在那条街上的哪栋房子里,因此他就东一家西一户漫无目的地按门铃.

《现代汉英综合大词典》

The paint job had been done hit or miss.

油漆活做得马马虎虎的.

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No haphazard hit - or - miss methos will do.

随意的、漫无目的的方法是不起什么作用的.

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