hit-or-miss

Long-term planning is always rather a hit-or-miss affair.

凡是定 长远 的计画都难免出偏差.

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.

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.

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.

John did a lot of hit-or-miss reading, some of it about taxes.

约翰毫无目的地读了许多书, 有些是关于税务的.

The paint job had been done hit or miss.

油漆活做得马马虎虎的.

During his two-year efforts , his dating seems to be hit-or-miss.

他两年的约会过程时好时坏.

His judgment is rather hit-or-miss.

他的判断相当偶然.

however, outside of urban tech hotspots like new york and san francisco, this is still a decidedly hit-or-miss operation.

但是，在纽约和旧金山等科技集中的城区之外的地方，这项服务显然还没有普及。

Trying to figure out this problem has been hit-or-miss.

(要试图)解决这个问题只能是碰碰运气了.

He did a lot of hit-or-miss reading, some of it about taxes.

他漫无目的地读了很多书, 有些是关于税务的.