dig in

Từ điển WordNet v3.1 - WordNet Dictionary

verb

1. occupy a trench or secured area (Freq. 2)
- The troops dug in for the night
• Syn:
entrench
• Derivationally related forms:
entrenchment (for: entrench)
• Verb Frames:
- Somebody ----s something
2. eat heartily (Freq. 1)
- The food was placed on the table and the children pitched in
• Syn:
pitch in
• Hypernyms:
eat
• Verb Frames:
- Somebody ----s