?? 詞語組成解析
sir
[s?]
n. 先生;（用于姓名前）爵士;（中小學生對男教師的稱呼）先生;老師;
john
[[d??n]]
n. 盥洗室, 廁所, 嫖客
[人名] 吉爾古德
??? 情景例句
I could pay you back out of my lifeguard salary.
我可以從我當救生員的薪水中拿出來還你。
My friend phoned me at 10 a.m. Yesterday.
我的朋友昨天上午10點打電話給我。
I think that may be the problem.
我想問題就在這里。