YOU SAID:

I laugh at the waitress because she can't tie a knot

INTO JAPANESE

彼女は結び目を作ることができないので私はウェイトレスを笑う

BACK INTO ENGLISH

I laugh my waitress because she can't make a knot

INTO JAPANESE

彼女は結び目を作ることができないので私は私のウェイトレスを笑う

BACK INTO ENGLISH

I laugh at my waitress because she can't make a knot

INTO JAPANESE

彼女は結び目を作ることができないので私は私のウェイトレスを笑う

BACK INTO ENGLISH

I laugh at my waitress because she can't make a knot