on the rails

漢語翻譯

例句：

1. There are many sharp spikes on the railings in the park.
   公園的欄桿上有很多尖頭。
2. By taking a constant interest in his son's progress, he helped to keep him on the rails.
   他經常關心兒子的進步，促使兒子遵守法律和習俗。