咄嗟而办 (咄嗟而辦) duōjiē ér bàn

duōjiē ér bàn set phrase do very quickly; to carry out as soon as an order is given
Domain: Idiom 成语
Notes: (Guoyu '咄嗟而辦'; Mathews 1931 '咄嗟而辦', p. 103)