'At the time (when) the murder was committed, I was travelling on the 8 o'clock train to London,' said the man.

'Do you always catch such an early train?' asked the inspector.

catch a train ^{赶火车：及时到达车站并乘上火车。}

• catch a bus ^赶公交车
• catch a cold ^感冒
• Catch a Fire ^{开始燃烧；着火}
• Catch a Thief ^抓贼
• Catch an animal ^{抓一只动物}

'I must be at work at 10 o'clock. My employer will confirm that I was there on time.'

on time ^{按时，准时：在规定的时间内完成或发生。}

• The flight departed on time.^{航班准时起飞了。}

'I suppose it would (take me a later train to work on time), but I never catch a later train.'

catch a later train ^{赶晚一点的火车}

catch an early train ^{赶早班火车}

And you didn't notice anything unusual?

• This isn’t anything important. ^{不定代词 anything、something 在形容词的前面}
• I’d like something cheaper.^{形容词修饰不代词something、anything等时，在后面}

I suggest,' said the inspector, 'that you are not telling the truth.'

* I suggest that you did not catch the 8 o'clock train, but that you caught the 8.25 which would still get you to work on time.

平行结构^{(源自并列句的省略变成了2个从句并列)}

用于表达建议或建议中的对立情况。平行结构通常出现在复合句中，其中 "I suggest that..." 和 "but that..." 分别引导两个从句，表示不同的建议或观点。

You see, on the morning of the murder, the 8 o'clock train did not run at all.

口语 you see “你知道，事实上” ^{经常作为插入语出现，句首、句中或句尾均可以}

• He was not really interested in film, you see.
• My leg isn’t all right yet, you see, so I can’t climb the hill with you.

run 运行 ^{可以指火车、公共汽车、船等“定时/定期行驶，（在两地间）往来”}

• This ship runs between Dover and Calais.