mean of reversed and directed values

例句：

1. 1. The meaning of life is to live it fully.
   生活的意义在于充分地生活。
2. 2. He meant to help her, but he forgot all about it.
   他本意是要帮助她的，但他把这件事忘了。
3. 3.The teacher's main purpose was to inspire the students.
   老师的主要目的是激励学生。