on the sly (=secretly) 偷偷地
smell of有……的气味
be sorry about/for懊悔的，后悔的，难过的
speak ill of说……的坏话;
speak well of说……的好话
specialize in 专门研究，专攻
in spite of (=despite) 尽管
on the pot (=at the place of the action) 在现场，在出事地点;或 (=at once) 立即
take a stand against 采取某种立场反对
take a stand for 采取某种立场支持……
stare at 目不转睛地看，凝视，盯着
in step 步伐一致;out of step 步伐不齐
