talk to oneself 自言自语
keep to oneself 保持孤立
say to oneself 心里想
look to oneself 照顾自己
stick to oneself 坚持己见
1. He sat in the corner and talked to himself quietly.
他坐在角落里轻轻地自言自语。
2. I told myself to stay calm before the exam.
我告诉自己考试前要保持冷静。
3. She prefers to work to herself without interruptions.
她喜欢独自工作，不受打扰。
4. The old man often keeps to himself and rarely speaks to neighbors.
这位老人通常独来独往，很少与邻居交谈。
A: Why do you always wear headphones?
A：你为什么总是戴耳机？
B: I like to keep to myself while commuting.
B：我在通勤时喜欢独处，不想被打扰。
1) 独自地，单独地
2) 在心里，暗自
3) 不与他人交往
4) 自言自语
1. 独自地；私下地
2. 自言自语地
e.g. She went to the library to study to herself.
她去图书馆独自学习。
phrase
1. By oneself; alone.
2. In one's mind; privately.
3. Speaking to oneself.
Synonym: alone, privately, internally