1. Due to a slip-up at the power plant, there was a five hour blackout.
    发电厂的疏忽导致停电五小时。

2. Due to a big slip-up, the students were sent home early today.
    由于一个大疏忽，使得学生今天提早放学回家。

1. 轻微的过错;疏漏
    A slip-up is a small or unimportant mistake.

    e.g. There''s been a slip-up somewhere...
           有个地方出了点小错。
    e.g. The girls had made three crucial slip-ups.
           这些女孩犯下了 3 个重大的错误。

1. a minor inadvertent mistake usually observed in speech or writing or in small accidents or memory lapses etc.

    Synonym: slipmiscueparapraxis