| 字词 | 老大 |
| 释义 | 老大 形书old (in age) 少小离家老大回leave home young and return old 名eldest child in a family 老大当兵，老二经商。The eldest child is an army man and the second eldest child is a businessman. 名方chief crewman of a boat; boatman 船老大 名chief of a gang, etc 名number one; leading figure or enterprise 副much; greatly; very 老大不小 形grown up; old enough; mature 你也老大不小了，该懂事了。You are no longer a child and should have some sense. 老大无成 熟 be in an old age but without any accomplishments; have accomplished nothing when one is getting old |
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