"Keeping in touch" was a hit or miss affair in the past.

在过去，“保持联系”全凭运气。

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Keeping the information between the two tools synchronized was a hit or miss proposition.

保持这两个工具间的信息同步是一个漫无目的的主张。

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Thee hues chosen for a room's walls and ceiling can help determine whether your interior design is a hit or miss.

房间里墙壁和天花板的颜色选择会决定你的屋内设计是成功还是失败。

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Instead of being handed a hit or miss pill, your doctor will do a test and then prescribe a drug that will work, because it will be specifically designed to suit your particular genes.

BBC: Scientists hope to develop individually-targeted drugs

Relying on the bond trustee to decide when to declare a default is a hit or miss exercise since the trustee is under the direction of the current bondholders and the bond indenture, both of who may limit his actions in this regard.

FORBES: Even If A Bond Doesn't Default, You Can Still Lose Your Money

The E-Type and DB5 come from motoring eras when companies had plenty of money to experiment a hit or a miss there was okay.

FORBES: The Ugliest Cars of 2013