| 释义 |
 | 老大1 | | lăodà | 名形 | | | 1 eldest child: | | | 我是家里的老大。 I'm the eldest in the family. |
| 2 〈方〉 captain of a boat; master of a sailing vessel: | | | 船老大 boatman; skipper |
| 3 〈口〉 (of enterprises, manufacturers, etc. ) number one; leader |
| 4 chieftain; leader: | | | 黑社会老大 gang leader |
| II 形 〈书〉 old (in age): | | | 老大无成 idle away one's life without accomplishments | | | 少小离家老大回，乡音无改鬓毛衰。 (贺知章 《回乡偶书》) Young I left home, old I return, | Speaking as I did then, but my hair grown thin. |
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| 老大2 | | lăodà | 副 | | | 副 〈口〉 [usu. in the negative] greatly; very: | | | 老大不忍 extremely reluctant | | | 老大不乐意 unwillingly; reluctantly | | | 心里老大不高兴 feel very annoyed |
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