1.
advice; warning; admonition
Earnest advice, often with a tone of caution or warning.
友人の忠告を無視した。
I ignored my friend's warning.
医者に忠告された。
I was warned by the doctor.
忠告に耳を傾けるべきだ。
You should listen to the advice.
忠告 means advice with a tone of warning or admonition.
NUANCE:
Stronger than 助言 - implies concern about negative consequences.
COMMON EXPRESSIONS:
- 忠告を聞く: to heed advice
- 忠告を無視する: to ignore advice
- 忠告に従う: to follow the warning