YOU SAID:
Ain't no use checking the fire extinguishers today.
INTO JAPANESE
今日は消火器をチェックしても無駄だ。
BACK INTO ENGLISH
It is no use checking the fire extinguisher today.
INTO JAPANESE
今日は消火器をチェックしても無駄です。
BACK INTO ENGLISH
It is no use checking the fire extinguisher today.
That didn't even make that much sense in English.