'Have you anything to declare? he asked, looking me in the eye.

look sb in the eye(s) / face ^{to look straight at sb without feeling embarrassed or ashamed 直视(不礼貌)}

• Can you look me in the eye and tell me you're not lying? 直视我并告诉我没有撒谎
• I'll never be able to look her in the face again! ^没脸见她

‘No,’ I answered confidently.

• confidently → with confidence ^{名词更庄严}

'Would you mind unlocking this suitcase please?'

Do you mind if I smoke here? I'm afraid this is a non-smoking office.

The Officer went through the case with great care. 

with great care ^{名词有更多的限定(更庄严正式)} = very carefully

• He had spotted a tiny bottle at the bottom of my case and he pounced on it with delight (= delightedly).
• Then I added with a smile (=smilingly).
• 'No', I answered confidently (= with confidence).
• His few material possessions make it possible for him to move from place to place with ease (=easily).
• She faced the difficulty with calmness (=calmly).
• I looked at her with curiosity (=curiously).
• She spoke to me with tenderness (=tenderly).
• I greeted Philip with enthusiasm (=enthusiastically).
• The gang picked their victims at random (=randomly). ^介词会变
• I met an old friend in town by accident (=accidentally).^{不全都是with}
• The negotiations were conducted in secret (=secretly).
• It's unprofessional to criticize your colleagues in public (publicly).

All the things I had packed so carefully were soon in a dreadful mess.

things^{［pl.］personal belongings 私人财物}

• The chest contained the personal belongings of a seaman, Alan Fielding. ^NCE3-32

I felt sure I would never be able to close the case again. ^{形容词补足语从句}

• I'm glad the bell is working again.
• 'It's working all right, but I'm afraid that at one o'clock it will strike thirteen times and there's nothing I can do about it.'
• When a passing tanker rescued them five days later, both men were genuinely sorry that they had to leave. §

Suddenly, I saw the Officer's face light up.

light up ^{if someone's face or eyes light up, they show pleasure, excitement etc. （因喜悦、兴奋等脸上或眼中）露出光彩}

• His eyes lit up with laughter. ^{他笑得两眼放光。}
• Her face lit up with pleasure.^{她高兴得容光焕发。}

He had spotted a tiny bottle at the bottom of my case and he pounced on it with delight.