單獨(dú), 獨(dú)自

by oneself, for oneself, in oneself, of oneself

這些詞組都包含oneself這個(gè)單詞。
by oneself: 意思是“單獨(dú)地”、“靠自己地”（alone or independently）。

• his father lives by himself in the village.
  他的父親獨(dú)自一個(gè)人住在村里。
• all his friends have deserted him and he is all by himself now.
  他所有的朋友都離棄他，現(xiàn)在他孤獨(dú)一人。

for oneself: 意義為“為自己”（for himself or for herself）。

• one should not live only for oneself.
  人不應(yīng)單為自己而活。

in oneself: 意思是“就其本身或本性而言”。

• this wood is hard in itself.
  這種木頭本要就是硬的。

of oneself: 意思是“自然地”、“自發(fā)地”、“自動地”（of one's own accord）。

• every day i awake of myself at half past five.
  每天早上我都是五點(diǎn)半就自己醒來。
• the door opened of itself.
  門是自己開的。
• the fire went out of itself.
  火自己熄滅了。