Examples
láo jì牢记tā他de的jiàn yì建议。
牢记他的建议。
Bear his advice in mind.
我牢记此事。
I remember it well.
佳人不可唐突,好酒不可糟蹋,这两件事你以后一定要牢记在心。
You should not be rude towards beauties and you should not waste good wine. You must keep these two things in mind in the future.