1to be a substitute for; to act on behalf of; to replace; to substitute
2generation; dynasty; age; period; (historical) era; (geological) eon
Examples
qǐng请dài代wǒ我xiàng向nǐ你de的jiā rén家人wèn hǎo问好。
请代我向你的家人问好。
Please say hello to your family on my behalf.
很多小学生学不好代数。
Many pupils are poor at algebra.
请代我向你全家问好。
Please give my regards to your family.