cố gắng hết sức để giúp ai đó = to try very hard to do something good or helpful
Mann insisted that he bent over backwards to be objective in presenting the story.
Mann khăng khăng rằng anh ấy đã cố hết sức để được khách quan trong việc trình bày câu chuyên.
Q: Describe a time when you helped a friend.
A: My close friend broke up with his girlfriend last month and he was really upset about that. As a friend, I bent over backwards to comfort him.
He bent over backwards to please his new wife, but she never seemed satisfied. Anh ta có cố gắng hết sức để chiều cô vợ mới cưới nhưng cô ấy dường như chưa bao giờ thấy hài lòng.