| 词汇 | worry at |
| 释义 | worry at transitive verb [worry at sth] ① (toss about) «dog» 撕咬 ‹toy, bone›② (fiddle with) 拉扯 ‹ring, hair›▸ he began to worry at the knot in the cord 他开始解绳子上的结 |
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