Old-boy
老生；（招呼用）老朋友
🧩 词语组成解析
old
[old]
adj. 老的;古老的;以前的;（用于指称被替代的东西）原来的;
n. 古时;
boy
[bɔɪ]
n. 男孩，少年;儿子;小伙子，家伙;服务员;
🗣️ 情景例句
Pay more attention to the voice of youth.
多留意年轻人的意见。
I meet the boy whose aunt is a nurse.
我遇到那个男孩的姑妈是护士。
She is going to set out from the French coast at five o'clock in the morning.
她打算早上5点钟从法国海岸出发。