nothing
The German word 'nichts' is used to express the concept of 'nothing'. It is often used in sentences to indicate the absence of something or to negate a statement. For example, 'Ich habe nichts zu tun.' translates to 'I have nothing to do.' or 'I am doing nothing.' It can also be used in response to a question to indicate a lack of something, as in 'Was hast du gegessen?' 'Nichts.' which means 'What did you eat?' 'Nothing.'
I have nothing to do.
This sentence expresses absence of any activities or tasks to be performed by the subject, using 'nichts' to signify 'nothing'.
He sees nothing.
This phrase is a statement suggesting the subject is unable to see anything, where 'nichts' is used to express the absence of visibility.
She understands nothing.
It shows an incapability of comprehension on the part of subject, where the term 'nichts' infers absence of understanding.