betreffen

To relate or belong to; to have reference to or connection with; to affect the interest of; to be of importance to

• This doesn't concern you, Tom.

  Das geht dich nichts an, Tom!

  Tatoeba · CK · CC BY 2.0 FR

• This matter doesn't concern you.

  Diese Angelegenheit betrifft dich nicht.

  Tatoeba · CK · CC BY 2.0 FR

betreffen

To engage by feeling or sentiment; to interest

betreffen

To make somebody worried

That which affects one’s welfare or happiness. A matter of interest to someone

• To whom it may concern:

  Wen es angeht:

  Tatoeba · Eldad · CC BY 2.0 FR

• That's none of your concern.

  Das ist nicht deine Sache.

  Tatoeba · CK · CC BY 2.0 FR

The placement of interest or worry on a subject

A worry; a sense that something may be wrong; an identification of a possible problem

The expression of solicitude, anxiety, or compassion toward a thing or person