gas, coal, oil, gold (and other metals), wood

Prices, the birth rate, pay, the temperature can all drop dramatically.

Two friends might fall out because they disagree about something or one gossips about the other or lets the other down.

You feel uncomfortable, as if you don’t belong, perhaps in a new class or at a party where you don’t know anyone.

birds, especially eagles, vultures or other birds of prey

Naughty kids might disobey or cheek their parents, scribble / draw on walls, break a window, etc.

Your ambition is what you want to achieve in life. A target is a smaller thing you want to achieve, often by a certain time. So you might set yourself certain..

a spacious or big / large flat / apartment

If you break a promise, you don’t do what you said you would.

No, if it is overrated it means it is not as good as everyone says it is.

bees, wasps, flies

Crime and violence happen in rough areas; buildings are run down; the streets are dirty.