Japanese phrase
ご心配をおかけしました。 go shin pai o o ka ke shi ma shi ta
Meaning
I'm sorry for causing you concern.
When to use it
Apologizes for causing someone concern. It is a polite expression used after another person has been worried, often when an update was late or a problem arose.
Example dialogue
連絡がなくて心配しました。 ren raku ga na ku te shin pai shi ma shi ta
I was worried because I did not hear from you.
すみません、ご心配をおかけしました。 su mi ma se n go shin pai o o ka ke shi ma shi ta
I'm sorry for causing you concern.