形容词
1. The cave is difficult of access.
这山洞很难进去。
2. Mathematics is difficult for some students.
有些学生觉得数学困难。
3. The head of the section is found to be a very difficult man to get on with.
大家发现科长是个很不容易相处的人。
4. The place is difficult of access.
这地方很难进去。
5. She was placed in difficult circumstances.
她处境艰难。