變副詞沒有雙寫規則。
The man felt that his position was badenough .他感到自己倒黴透頂。
It can break up a bad traffic snarl .它可以結束嚴重的交通混亂局面。
There would be some very bad days ahead .今後幾天將會是非常艱難的。
I always lose at cards ， with my bad luck .我運氣不好，打牌總是輸。
Do not spring bad news on his mother !別單刀直入把壞消息告訴他媽媽。
