A King / President / Prime Minister

overnight

a difference of a single word or character

One's own interests

within a moment of thought

at a sudden

to die and end it all, when one chooses to take his / her life, death pays all debts

the years where one can make wiser decisions, which usually refers to decade commencing when one reaches 40 years old

Window of the World Station, a scenic spot of Shenzhen

lit. battle of the century

the golden mean

But

long before, ahead

(modal particle) Used at the end of a sentence, usually to show the unimportance of the thing you talked about; "that's all"

Zigzag

other than

sorrowful music played in a failed or doomed nation

disasters or issues caused by overcrowding

…Never come easy

one of the set or options given

destined or determined to happen

to move one with emotions

fraction of the tenth

(adverb) at last; finally; eventually

inexhaustible

to feel ashamed for receiving something

one who is obedient and respond upon being ordered or summoned

you can imagine that

it means everyone can see and know when people have evil and bad intentions and they are trying to hide that

the king's