hit or miss
US /hɪt ɔr mɪs/
UK /hɪt ɔː mɪs/
成语
时好时坏, 碰运气
unpredictable; sometimes good and sometimes bad
示例:
•
The quality of the food at that restaurant is really hit or miss.
那家餐厅的食物质量真是时好时坏。
•
His performances can be a bit hit or miss, depending on the day.
他的表现可能有点时好时坏，取决于当天的情况。