Theory:

Meaning of difficult words from the lesson "The Adventures of Toto":
 
S. No.
Words
Meaning
1.
Tonga
A two-wheeler carriage used in rural areas 
2.
Trough
A long narrow open container used for holding animals food
3.
Wicked Slightly cruel but intending to upset anyone
4.
Beneath Under or below something
5.
Sparkle To shine brightly
6.
Delicacy Something pleasant to eat
7.
ScoopTo pick up
8.
ShredSomething that has been torn
9.
BlazerA type of jacket
10.
Fastened Attached, joined or fixed
11.
MessyRefers to disorder or untidiness
12.
Ornamental Decorative
13.
WrenchTo pull something suddenly and violently
14.
Sociably Friendly or agreeable
15.
PetAn animal or bird that you keep at home for pleasure
16.
CompanionA person or animal that spends time with you
 17.
Mischievous Behaving in a bad or annoying way though not intend to harm others
18.
Unfortunately Unluckily
19.
Canvas A piece of strong cloth
20.
Onlookers
Spectators
21.
Occasionally Irregularly
22.
AbodeThe place where you live
23.
TurnstileA mechanical gate consisting of revolving horizontal arms fixed to a vertical post, allowing only one person at a time to pass through.
24.
QuadrupedAn animal that has four feet
25.
PokeTo appear or stretch out through something
26.
ProdTo push or press something with your hand
27.
Triumphant
The feeling of being joyful having achieved a victory
28.
Stable
A building where horses or  cattle are kept
29.
Apparent Able to be seen or understood
30.
HalterA piece of leather strap or rope that is tied around an animal's head
31.
Hay Grass that is dried and used as an animal food
32.
Haunch
The back end of an animal
33.
Cunningly
In a cleverly planned way
34.
Gradually
Slowly
35.
Immerse To plunge or dip into a liquid
36.
FastenTo become firmly fix together
37.
HopTo jump on one leg
38.
LidThe top of a box or other container
39.
Haul
To pull something with lot of effort
40.
KettleA container for boiling water
41.
Explicitly In a clear or detailed manner
42.
ExaggerateTo enlarge something beyond truths
43.
Spite
Deliberately hurt, irritate or offend someone
 44.Stuff
To fill with something
45.
Scream/YellTo make a loud, high-pitched sound
46.
HurlTo throw something with great force
47.
Determined Having made a definite decision to do something
48.
ChatterTo make a series of quick high-pitched sound
49.
Realise
Become fully aware of something
50.
Well-to-do
Wealthy or prosperous
51.
AffordHave enough money to pay for