to be lost in thought or imagination
in Gedanken oder Fantasie verloren sein (in Gedanken oder Fantasie verloren sein)
"He didn’t hear me because he was in a world of his own."
"Er hat mich nicht gehört, weil er in seiner eigenen Welt war." (Er hat mich nicht gehört, weil er **in seiner eigenen Welt** war.)
to improve an existing product or idea
to start a relationship or activity in a positive way
To lose all your money; to become bankrupt.
to guide or advise someone, typically in a professional cont...
to be free from blame or responsibility for something
to slightly change the truth to make something sound better