Translation of "Mindful" in Chinese

You must be mindful of your family responsibilities.

您该知道您对家庭的责任。

Be mindful of your actions when in a relationship.What may seem playful to you could really be harmful to your partner.

请小心地呵护两人之间的感情。也许当你认为只是一个玩笑时，却真真切切地伤了对方的心。