Japanese phrase
鍵は___にお預けします。 kagi wa ___ ni o azu ke shi ma su
Meaning
I will leave the key with ___.
When to use it
Says that the speaker will leave a key with someone. The polite wording fits arrangements with hotel staff or another responsible person.
Example dialogue
外出中、鍵はどうしますか？ gai shutsu chū kagi wa dō shi ma su ka
What should we do with the key while you are out?
鍵はフロントにお預けします。 kagi wa fu ro n to ni o azu ke shi ma su
I will leave the key at the front desk.