'Perfume, eh?' he asked sarcastically. 

eh ^{interj. used for asking someone to agree with you.}

• Pretty good, eh?

‘You should have declared that.

should / ought to have done ^{应该做却没做(责备语气)}

• He should have known that the police would never allow this sort of thing.
• A policeman approached Jimmy and told him he ought to have gone along a side street as Jumbo was holding up the traffic. ^责备
• How I regretted the hours wasted in the woods and fields, the days when I had played and should have studied. ^自责

Perfume is not exempt from import duty.’

be exempt from sth. ^{免于、免除}

• Children are exempt from the charges. ^{儿童免费(票)}
• Currently, developing nations are exempt from certain restrictions on carbon emissions. ^免除

'But it isn't perfume,’ I said. 'It's hair gel.’ 

hair gel  ^{a thick liquid substance which is put in the hair to help the hair keep a particular shape or style.}

Then I added with a smile, 'It's a strange mixture I make myself.’

add ^{v. 补充说、接着说 to say more about something that has just been said.}

• I have nothing to add to my earlier statement.
• He added that a student had dressed up as a policeman and was playing all sorts of silly jokes on people. ^{NCE3-40 add that + 从句}

do sth with a smile / laugh / sneer / shock / sigh / start ... ^{带着...做某事}

•  'Oh, that,' he said with a smile as if he were talking about an old friend.
• Looking round, I realized with a shock that I was the only passenger left on the bus.
• 'Oh, is it?' said the sheriff with a sneer.
• One night, however, our vicar woke up with a start: the clock was striking the hours!
• She slowly sat down with a sigh and closed her eyes. ^{一边叹气、一边...}

oneself 与 by oneself作状语时的区别

As I expected, he did not believe me. ^{AS引导的非限制性定语从句（唯一可放首句的）}

• As I soon learnt, he was English himself! 
• Anyway, as Brian pointed out, it is the easiest thing in the world to give up smoking.
• Things can go wrong on a big scale, as a number of people recently discovered in Parramatta, a suburb of Sydney. ^NCE3-33

"Try it!' I said encouragingly.

try it ^试一下

• try it give it a try.
• give it a shot,
• have a try.

The Officer unscrewed the cap and put the bottle to his nostrils.

He was greeted by an unpleasant smell which convinced him that I was telling the truth.

be greeted by...^{（of sights,sounds or smells) to be the first thing that you see, hear or smell at a particular time 首先看到的、听到的、闻到的是⋯⋯}

• I woke up and was greeted by bird song.
• When she opened the door she was greeted by complete disorder.

tell the truth ^说实话

• tell a lie / story / joke ...

A few minutes later, I was able to hurry away with (being) precious chalk marks on my baggage. ^独立主格

hurry ^{v.匆忙，急忙；催促}

• She hurried away in the opposite direction. ^匆忙离开
• He hurried forward to meet him. ^匆忙向前
• We hurried upstairs to see what was going on.^匆忙上楼
• With this, he hurried off the stage. ^{hurry + 介词短语}
• She hurried down the corridor as fast as she could. ^{匆忙沿走廊下去}
• More than 100 men hurried to the scene to donate their blood. ^{匆忙赶到现场}