0 used to show that there is a single one or very few of something, or that there are no others: --
1 used to show that something is limited to not more than, or is not anything other than, the people, things, amount, or activity stated: --
At present these televisions are only available in Japan.
Only an idiot would do that.
I was only joking.
It's only four o'clock and it's already getting dark.
"Who's there?" "It's only me (= it is not someone you should worry about). I've locked myself out."
It's only natural that you should worry about your children.
2 used to refer to something that happens almost immediately after something else: --
3 used to say that two related things are true or happened, especially when this is surprising or shocking: --
4 used when saying that something unpleasant will happen as a result of an action or a failure to act: --
If you don't do something about it now it will only get worse.
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
Vi kan slutföra det steg för steg hur lång vägen än är och den kan inte slutföras hur kort vägen än är om du inte ens markerar ditt fotavtryck.