Japanese phrase
___を紛失してしまいました。 ___ o fun shitsu shi te shi ma i ma shi ta
Meaning
I have lost ___.
When to use it
States that something is missing after being lost. The polite ending adds regret and makes the report suitable for teachers, staff, or other people in a position to help.
Example dialogue
学生証を紛失してしまいました。 gaku sei shō o fun shitsu shi te shi ma i ma shi ta
I have lost my student ID.
最後に見た場所を教えてください。 sai go ni mi ta ba sho o oshi e te ku da sa i
Please tell me where you last saw it.