herself

1. She kept on muttering to herself.
   她老是一个人嘀嘀咕咕。
2. After her swim she dried herself with a towel.
   游泳后，她用毛巾擦干身子。
3. She only has herself to thank for what happened.
   出了事只能怪她自己。
4. She cannot have written the letter herself.
   这封信不可能是她自己写的。
5. She stinted herself of food in order to let the children have enough.
   她自己省着吃，好让孩子们吃饱。
6. She should do her homework herself.
   她应该自己做作业。

her.self

pron.（代词）
That one identical with her:
她自己
Used reflexively as the direct or indirect object of a verb or as the object of a preposition:
她自己：用作动词的直接或间接或者介词的反身宾语：
例句：
She bought herself a new car. She sculpted a likeness of herself.
她为自己买了一辆新车。她雕刻了一座她自己的雕像

Used for emphasis:
她本人：用于强调：
例句：
She herself was certain of the facts.
她本人很确定这些事实

Used in an absolute construction:
她自己：用于独立结构：
例句：
In office herself, she helped him get a job.
她本人在职时帮他找了份工作

Her normal or healthy condition or state:
她的正常情况：她正常的或健康的情况或状态：
例句：
She`s feeling herself again.
她正恢复健康或她情绪正恢复正常

来源：
Middle English hire self
中古英语 hire self
from Old English hire selfre [dative of] hôo self
源自 古英语 hire selfre [] hôo self的与格
hôo [she] * see she
hôo [她] *参见 she
self [self] * see self
self [本身] *参见 self