一、中文意思不同

1、themself的中文含义有他自己，她自己；

The two have very great conflicts themself.

No one perceived themself to be in a position to hire such a man.

2、themselves的中文含义有他们自己、她们自己、它们自己等；

例句：They themselves had had a similar experience.

他们本身就曾有过类似的经历。