congratulate each other by raising the hand to the brow
Put your hand on your forehead to show your happiness. It's the same as "celebrating on the forehead".
Idioms and allusions
[source]: Chapter five and seven of the wild old man's Expositions: "in a moment, Ren Gong and others came out one after another to tell. Therefore, none of them was surprised, drunk as a dream, praised with praise, and overjoyed with joy."
Discrimination of words
For example: however, when it comes to the military and national plan, and when it comes to the employment of people, filial piety and chastity are the most important things. Xu Ke's "Qing Ji Lei Chao · Gong Wei · Xiao Zhen Hou Xian Li Fa" [pinyin code]: ESCs [synonym]: forehead hand praising, forehead hand Xiangqing [usage]: as object, predicate, attribute, adverbial; command person fast thing [English]: button'shandonone's for head adjustment
congratulate each other by raising the hand to the brow
burn famous string instrument for fuel and cook crane for meat -- offense against culture - shāo qín zhǔ hè