shadow

As the sun set, the shadows of the tall buildings grew longer across the street.

(Chinese) 随着太阳下山，高层建筑的影子在街道上变得越来越长。

The child was frightened by the strange shadow on the bedroom wall at night.

(Chinese) 孩子被晚上卧室墙上奇怪的影子吓坏了。

The detective shadowed the suspect for three days without being noticed.

(Chinese) 侦探跟踪了嫌疑人三天，没有被发现。