shake down one’s sleeves and rise from his seat—be determined to do sth.;rise in determination
❍ 楚子闻之，～。(《左传·宣十四年》) When the viscount heard of it,he shook down his sleeves and rose from his seat.
投袂而起tou mei er qi
rise with a flick of one’s sleeve—show one’ s indignation
投袂而起tóu mèi ér qǐ
袂：衣袖；投袂：甩袖子。一甩袖子，站立起来。形容立即行动。burst forth suddenly, shake down one’s sleeves and rise from his feet