他忙得不可开交 meaning in Chinese

he is big and busy

He had a wife and five children and they kept him bumping .
他家里还有老婆和五个孩子，这也使他忙得不可开交。
Meanwhile, the problems kept him intensely occupied, with little room for personal concerns .
在此期间，种种问题使他忙得不可开交，几乎没有什么余暇考虑个人问题。
He was so busy that he could not get away from the office
他忙得不可开交，办公室一步也离不开。
He is big and busy
他忙得不可开交