sag down

Từ điển WordNet v3.1 - WordNet Dictionary

verb

cause to sag (Freq. 1)
- The children sagged their bottoms down even more comfortably
• Syn:
sag
• Derivationally related forms:
sag (for: sag)
• Hypernyms:
sink, drop, drop down
• Verb Frames:
- Somebody ----s something