while

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a period of indeterminate length (usually short) marked by some action or condition (Freq. 23)
- he was here for a little while
- I need to rest for a piece
- a spell of good weather
- a patch of bad weather
• Syn:
piece, spell, patch
• Hypernyms:
time
• Hyponyms:
cold spell, cold snap, hot spell, snap

• Từ đồng nghĩa / Synonyms:
  piece, spell, patch