Theory:

Meanings of difficult words from the lesson:
  
S.No
Words
Meanings
1
Pacing Walk at a steady speed, especially without a particular destination and as an expression of anxiety or annoyance
2
InfernoRegion that resembles hell
3
HeavingTo raise or lift with force
4
Agitated Feeling or appearing troubled or nervous
5
Ambling Walk or move at a slow, relaxed pace
6
Dismally In a gloomy or depressed manner
7
Gazed Look steadily and intently, especially in admiration, surprise, or thought
8
Boarding schoolA school which provides accommodation and meals for the pupils during term time
9
Vendors A person who sells products or services to another company or individual
10
Pale Light in colour or shade; containing little colour or pigment
11
Leaning Move into a sloping position
12
Stare Look fixedly or vacantly at someone or something with one's eyes wide open
13
Conscious Aware of and responding to one's surroundings
14
SweetmeatA sweet delicacy, as a candy or candied fruit, or originally a cake or pastry
15
Dignity The state or quality of being worthy of honour or respect
16
Serenity The state of being calm, peaceful, and untroubled
17
Simplicity The quality of being simple or condition of being easy to understand
18
Shyness The quality or state of being shy
19
SuspicionA feeling or thought that something is possible, likely, or true
20
Coolie A person whose job is to carry things, especially travellers bags at stations, and  airports
21
Samosas A triangular savoury pastry fried in ghee or oil, containing spiced vegetables or meat
22
JalebiesAn Indian sweet made of a coil of batter, fried and steeped in syrup
23
AppetiteDesire to eat
24
Pleasure A feeling of enjoyment
25
StrangerUnknown person
26
GentlewomanA woman with good manners and high standards of behaviour
27
Trembled The hands started to shiver typically as a result of anxiety, excitement, or frailty
28
Disappeared Be lost or go missing; become impossible to find
29
ReassuranceThe action of removing someone's doubt or fear
30
Clutched Grasp something tightly
31
SpectaclesA pair of glasses
32
Imposing Grand and impressive in appearance
33
EmbarrassedFelt awkward, self-conscious, or ashamed
34
Nuisance A person or thing causing inconvenience or annoyance
35
Suspicious Having or showing a cautious distrust of someone or something
36
Grateful Showing or expressing thanks
37
Instinctive Relating to or prompted by instinct; done without conscious thought
38
Sternly In a serious and severe manner, especially when asserting authority or exercising discipline
39
Staggered Walked or moved unsteadily as if about to fall
40
Wagging Move rapidly to and fro
41
Contradicted Deny the truth of a statement by asserting the opposite
42
Resentfully
Feeling or expressing bitterness or indignation at having been treated unfairly
43
Befriended Become a friend to someone, especially when they are in need of help or support
44
Grinning Smiling broadly
45
Squatting
Crouch or sit with one's knees bent and one's heels close to or touching the back of one's thighs
46
Hustling Push roughly
47
ShriekedUttered a high-pitched piercing sound
48
Compartment A separate section or part of a structure or container
49
Rubbish Waste material, or unhealthy food
50
Capable Having the ability, fitness, or quality necessary to do or achieve a specified thing
51
Benefit An advantage or profit gained from something
52
Patronizing Showing the attitude of superiority
53
Smarting To feel upset and angry because of failure or criticism
54
Unreasoning Not guided by or based on good sense; illogical
55
Jolted Moved with a sudden jerk
56
Waved Move one's hand to and fro in greeting or as a signal
57
Carriage Any of the separate sections of a train that carry passengers
58
Milling crowdAn aggregation of individuals, usually gathered in a public area
59
Gazing Look steadily and intently, especially in admiration, surprise, or thought
60
Mowed Moved slowly into the crowded station
61
ObviouslyIn a way that is easily perceived or understood; clearly
62
Spasm A sudden involuntary muscular contraction or convulsive movement
63
Shunting Pushing or pulling a train or part of a train from one line of rails to another
64
Leapt Jump or spring a long way, to a great height, or with great force
65
WincedMake a slight shrinking movement of the body out of pain or distress