I can't put my finger on what exactly makes a written piece a classic.
我不知道什么使一篇著作成为经典。
The whole thing was held up about half an hour.
整个事情耽搁了约半小时。
One day, he went to an exclusive shop in London and asked for 'Myrolite', the shop assistant looked puzzled and Harry repeated the word, slowly stressing each syllable.