だい至急 しきゅう
dai shikyū

Noun
Adverb
no-Adjective

1. as soon as possible; ASAP

もしも、このコンピューターを使 つかいたいのでしたら、大 だい至急 しきゅう連絡 れんらく ください。
moshimo kono kompyūtāo tsukaitai nodeshitara dai shikyū gorenraku kudasai.
Please let me know immediately if you would like to use this computer.