shake down one’s sleeves and rise from his seat—be determined to do sth.;rise in determination
? 楚子聞之，～。(《左傳·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，站立起來。形容立即行動。burst forth suddenly, shake down one’s sleeves and rise from his feet