YOU SAID:

Are you sure this things safe?

INTO JAPANESE

よろしいこの事安全ですか?

BACK INTO ENGLISH

You sure this thing is safe?

INTO JAPANESE

きっとこのことが安全ですか。

BACK INTO ENGLISH

I'm sure this thing is safe?

INTO JAPANESE

私はこれは安全ですか。

BACK INTO ENGLISH

I this is safe?

INTO JAPANESE

私はこれは安全ですか。

BACK INTO ENGLISH

I this is safe?