pipe down

Từ điển WordNet v3.1 - WordNet Dictionary

verb

become quiet or quieter
- The audience fell silent when the speaker entered
• Syn:
quieten, hush, quiet, quiesce, quiet down
• Ant:
louden (for: quieten)
• Derivationally related forms:
quiescent (for: quiesce), quiet (for: quiet), hush (for: hush)
• Hypernyms:
change intensity
• Verb Group:
hush, quieten, silence, still, shut up, hush up
• Verb Frames:
- Something ----s
- Somebody ----s