YOU SAID:
japanese and chinese peoples dont understand english properly!
INTO JAPANESE
日本人と中国人は英語を正しく理解していません!
BACK INTO ENGLISH
Japanese and Chinese don't understand English correctly!
INTO JAPANESE
日本語と中国語は英語を正しく理解していません!
BACK INTO ENGLISH
Japanese and Chinese don't understand English correctly!
That didn't even make that much sense in English.