keep to oneself

Từ điển WordNet v3.1 - WordNet Dictionary

verb

1. shun the company of others (Freq. 1)
- The new student keeps to herself
• Verb Frames:
- Somebody ----s
2. withhold information
- I kept your little secret to myself all these years
• Hypernyms:
withhold, keep back
• Verb Frames:
- Somebody ----s something