by oneself, for oneself, in oneself, of oneself
这些词组都包含oneself这个单词。
by oneself: 意思是“单独地”、“靠自己地”（alone or independently）。
- his father lives by himself in the village.
他的父亲独自一个人住在村里。 - all his friends have deserted him and he is all by himself now.
他所有的朋友都离弃他，现在他孤独一人。
for oneself: 意义为“为自己”（for himself or for herself）。
- one should not live only for oneself.
人不应单为自己而活。
in oneself: 意思是“就其本身或本性而言”。
- this wood is hard in itself.
这种木头本要就是硬的。
of oneself: 意思是“自然地”、“自发地”、“自动地”（of one's own accord）。
- every day i awake of myself at half past five.
每天早上我都是五点半就自己醒来。 - the door opened of itself.
门是自己开的。 - the fire went out of itself.
火自己熄灭了。
