Bow your head
Chinese idiom, Pinyin is d ī t ó UD ā n ǎ o, which means to describe the appearance of fear or listlessness. From the red flag.
The idiom comes from Liang Bin's "red flag spectrum" 1: "old Xiangzi is lighting a lamp to cook dinner when she sees Zhu Laogong coming in and sitting on the steps with her head bowed."
Bow your head
return after victory in war to the imperial court to report his meritorious services - dé shèng huí cháo
do not know what oneself or others are talking about - bù zhī suǒ yún
be so hungry that the stomach is beginning to gurgle - jī cháng lù lù