YOU SAID:
when doing laundry, it's wrong to mix whites with colored knickers
INTO JAPANESE
洗濯をするとき、白と色物のパンツを混ぜるのは間違いです
BACK INTO ENGLISH
It's a mistake to mix white and colored pants when doing the laundry.
INTO JAPANESE
洗濯するときに白と色のパンツを混ぜるのは間違いです。
BACK INTO ENGLISH
It is a mistake to mix white and colored pants when washing.
INTO JAPANESE
洗濯時に白パンツと色パンツを混ぜるのは間違いです。
BACK INTO ENGLISH
It is a mistake to mix white pants with colored pants when washing.
INTO JAPANESE
洗濯時に白パンツと色パンツを混ぜるのは間違いです。
BACK INTO ENGLISH
It is a mistake to mix white pants with colored pants when washing.
You should move to Japan!