so busy as to have no time for eating
It is a Chinese idiom, Pinyin is B ù Hu á ngxi á sh í, which means there is no time to eat. It describes working hard. It's from the book of Wu Yi.
The origin of Idioms
The book of Wu Yi: "from the dynasty to the middle of the day, you can eat all kinds of food, and you can use salt to make peace with the people." Kong yingdashu: "not to mention leisure. The ancients had their own repetition. "It's hard," he says In a word, there is no leisure time to eat leisurely.
Idiom usage
He is busy with his work.
so busy as to have no time for eating
offer one 's own coat and food -- to treat one 's friends sincerely - jiě yī tuī shí
every order is executed without fail - lìng xíng jìn zhǐ
A time goes after the common customs - ē shí qū sú