under night

例句：

1. 1.Under the moonlight, she walked home alone.
   在月光下，她独自走着回家。
2. 2.The concert was held under the stars.
   音乐会是在星星下举行的。
3. 3. They decided to meet under the tree in the park.
   他们决定在公园里的树下见面。