ご苦労
1
trouble (I have put you through);(your) hard work
See also:
苦労 (くろう)
私たちがおかけしたご苦労に対してどうしたら償いができるでしょう。
How can we make it up to you for all that you have suffered because of us?
2
thank you (for your hard work);I appreciate your efforts
usu. to one's subordinate
See also:
ご苦労様 (ごくろうさま)
Other forms
御苦労 【ごくろう】