oh, well! meaning in Chinese

无可奈何

" oh , well ! it is just as he chooses
“哎哟，听他的便吧。
Dad bear : let me see … oh , well ! it was found on the sofa the day before yesterday
熊爸爸：让我想想… …哦,对了，前天在沙发上找到它的。
My son did need to go to school today , but i thought he has a break just like his sister , who got a day off because of “ teacher learning day . ” usually , they both have the same day off . that ' s why i got messed up . oh , well !
我儿子今天还是有课,但是,我一直以为他和姐姐一样今天都放假. (我女儿因为“教师训练日”所以放假一天. )通常他们两姐弟都是同一天放假,这也是我搞混的原因.啊