YOU SAID:
cant teach an old dog new triks
INTO JAPANESE
古い犬に新しいトリックを教えることはできません
BACK INTO ENGLISH
You can't teach an old dog new tricks
INTO JAPANESE
老犬に新しい技を教えることはできない
BACK INTO ENGLISH
You can't teach an old dog new tricks
Come on, you can do better than that.