重點講解：
1. on a roll
連連成功；連交好運；
eg. I made a name for myself and I was on a roll, I couldn't see anything going wrong.
我靠自己的能力成名了，接二連三地獲得成功，我覺得一切似乎一帆風順VZ_GMrK3nzN4p-8vGrHs。
eg. Things are going great now! I'm on a roll!
事情進行得很順利！我好運正旺！
2. at the moment
目前；現在；
eg. At the moment there's no hard and fast timetable.
目前還沒有明確的時間表*,18w!!0sW%8OqT|]Wk。
eg. I think she feels desperately wounded and unloved at the moment.
我想她此刻定會覺得受到了極大的傷害，無人關愛qnPkv2!XI0Jv9。
3. had better/'d better do sth.
（用于建議、警告、威脅、發表意見等）最好做某事；
eg. Perhaps you and I had better change over; you are more experienced.
也許我們的工作還是對換一下好，你比我更有經驗DFslOU,z@M~CJRe%。
eg. I think you'd better tell us why you're asking these questions.
我想你最好告訴我們你為什么要問這些問題F8NZDPGgdQ~JZr4kTp)t。