YOU SAID:

I usually tell my tailor to cut me some slack !

INTO JAPANESE

私はたいてい自分の仕立て屋にゆるみを切るように言う。

BACK INTO ENGLISH

I usually tell my tailor to slacken.

INTO JAPANESE

私はたいてい私の仕立て屋にゆるむように言う。

BACK INTO ENGLISH

I usually say to loose to my tailor.

INTO JAPANESE

私は通常私の仕立て屋にゆるむように言う。

BACK INTO ENGLISH

I usually say to loose to my tailor.