非公式: informal, unofficial, private

非公式: being unofficial, informality

氷上: a surname

"to pull the chin": to fix one's posture, notably by moving one's head backwards (and not literally drawing in one's chin as if nodding)

to have a long, trailing portion

to pull the strings (control behind the scenes) / to create strands / to draw a line

(dated) Synonym of キルギス (Kirigisu, “Kyrgyzstan”); Kirghizia

bridge (replacement for teeth)

成吉思汗, ジンギス汗: A Japanese dish of lamb or mutton cooked with vegetables on an iron pan.

(history) Genghis Khan