下さい

Imperative (命令形) form of 下さる (くださる, kudasaru, “give”), the honorific form of 呉れる (くれる, kureru)

下さい (hiragana ください, rōmaji kudasai)

1. please give me

   それを下 (くだ)さい。

   Sore o kudasai.

   Please give me that.

2. (polite, imperative) please do something for me; expressing a request

   現 (げん)地 (ち)に着 (つ)いたら電 (でん)話 (わ)して下 (くだ)さい。

   genchi ni tsuitara denwa shitekudasai.

   Please call me when you get there.

   ゆっくり話 (はな)して下 (くだ)さい。

   yukkuri hanashitekudasai.

   Please speak slowly.

• The imperative sense is either attached to the て-form (te-form) of a verb, or a noun prefixed with お (o-) or ご (go-).

• (please give me): ちょうだい (chōdai) (usually used by females)
• (please): ちょうだい (chōdai) (usually used by females); なさい (nasai) (soft but firm); な (na) (casual)