deep in

• 专心于, 深陷于

deep in的用法和样例：

例句

1. He sat there deep in contemplation.
   他坐在那里沉思著。
2. The gold lies deep in the earth.
   黄金埋藏於地下深处。
3. He was deep in conversation with his accountant.
   他与会计深入交谈。
4. The path petered out deep in the forest.
   小路漫漫消失在密林深处。
5. He is deep in thought.
   他陷入沉思。