| 单词 | on a first-name basis |
| 释义 | on a first-name basisidiom US : having a close personal relationship where each person addresses the other by their first name He was on a first-name basis with his boss. They know most of the officials on a first-name basis. —sometimes used figuratively to describe something that one is familiar with or accustomed to She was on a first-name basis with adversity. |
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