她因为突然的腹痛取消了今天的会议。
She canceled today's meeting due to sudden ___gripe.
他总是抱怨办公室空调不是太冷就是太热。
He constantly ___gripes about the office air conditioner being either too cold or too warm.
他总是为了一点小事就抱怨个不停。
He keeps ___griping about minor things all the time.