German phrase
Bitte kümmern Sie sich um ~.
Meaning
Please take care of ___
When to use it
It asks someone to handle it. This polite formal wording fits requests about specific matters.
Example dialogue
Bitte kümmern Sie sich um die Kundenbeschwerde per E-Mail.
Please take care of the customer complaint by email.
Ich kümmere mich darum.
I'll take care of it.