adj.无计划的,无目的的,遇事现打主意的;
英文例句/中文翻译:
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。
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.
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.