YOU SAID:

The best advice I was ever given was that it was impolite to give advice without being asked directly for it by the recipient.

INTO JAPANESE

私がこれまでに受けた最高のアドバイスは、受信者から直接求められることなくアドバイスを与えることは失礼であるということでした。

BACK INTO ENGLISH

The best advice I've ever received was that it's rude to give advice without being asked directly by the recipient.

INTO JAPANESE

私が今まで受けた最高のアドバイスは、受け手から直接尋ねられることなくアドバイスを与えるのは失礼だということでした。

BACK INTO ENGLISH

The best advice I've ever received was that it's rude to give advice without being asked directly by the recipient.