?? 詞語組成解析
mad
[m?d]
adj. 瘋狂的;猛烈的;著迷的;〔口語〕憤怒的，生氣的;
vt. 使瘋狂;
dog
[d?ɡ]
n. 狗;蹩腳貨;丑女人;卑鄙小人;
v. 困擾;跟蹤;
n. 無邊便帽, 黃芩屬植物\\n[醫] 美黃芩
??? 情景例句
whom I think you've met once or twice before.
我想你以前見過他一兩次面。
It is lost labour to sow where there is no soil.
沒有土壤，播種也是徒勞。
There are some clouds in the sky,but the sun is shining.
天空中飄著幾朵云，但陽光燦爛。