プログレッシブ和英中辞典(第4版)の解説
しきゅう【至急】
至急の場合に
in an emergency/in an urgent case
至急の商用で
on urgent [pressing] business
至急便で送る
send by express
至急おいで願いたい
Please come as quickly [soon] as possible./Come without (a moment's) delay.
至急お返事をお願いします
I am waiting for your prompt [early] answer.