| 词组 | chain up |
| 释义 | chain up chain up sb/sth • chain sb/sth up to fasten a person, animal, or thing to something with a chain, so that they cannot escape or be stolen: ▪ The dog barked ferociously, and I was relieved to see that it was chained up. ▪ Gareth left his bike chained up outside the college. |
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