1. The road conditions were not great, but still passable for most vehicles.
路况并不好，但对大多数车辆来说还是可以通过的。
2. Her singing was only passable, nothing extraordinary.
她的唱功只是过得去，没有特别出众的地方。
3. The food at the restaurant was passable, but nothing to write home about.
这家餐厅的食物还行，但没有什么特别值得称道的。