If it’s not too much [of a] hassle

to not be able to keep anything down

Be not wise in your own eyes!

I'm not going to work tomorrow.

Do not bother me with it!

to not be able to keep one’s mind off something

It’s not nearly as bad as that - you’re making a mountain out of a molehill

a notch below

Note I say it’s very important

noted and historic places

I noted the date.

nothing else remains to be done

It’s nothing to write home about

to be nothing but skin and bones

Nothing will prevent him from completing his life’s dream

nothing will prevent you from

nothing on earth

Nothing else, thank you.

Nothing could divert him from his goal

Nothing but hot air

Nothing special is going on

Nothing exceptional is happening

Nothing unusual is going on

Nothing less than a resignation would satisfy investors

Nothing will prevent my going to Cologne