must not disobey orders and cause any delay
Chinese idiom, Pinyin is B ù D é w é IW ù, official language, which means not to violate orders and delay official business.
Idiom usage
Examples
The military situation is urgent. We're sending you out for reconnaissance. You must come back in three hours.
must not disobey orders and cause any delay
Let go of the bull and scatter the horse - xiū niú sàn mǎ
have the same likes and dislikes - qì wèi xiāng tóu
be at peace at seeing peach flowers flowing away with water - liú shuǐ táo huā