Young-old
a. 年老心不老的, 老當益壯的
?? 詞語組成解析
young
[j??]
adj. 年幼的;有朝氣的;年輕人的;青年的;
n. 年輕人;幼小的動物，崽;
old
[old]
adj. 老的;古老的;以前的;（用于指稱被替代的東西）原來的;
n. 古時;
??? 情景例句
Keep cool.
保持冷靜。
It isn't much.
那是微不足道的。
He added that a student had dressed up as a policeman and was playing all sorts of silly jokes on people.
還對工人說，有個學生常裝扮成警察無聊地同別人開玩笑。