一、sweetheart是什么意思
1、sweetheart 甜心，宝贝
2、sweet,甜，heart,心。
二、sweetheart的用法
1、sweetheart (n.)
2、late 13c. as a form of address, 1570s as a synonym for "loved one;" from sweet (adj.) + heart (n.). As an adjective, with reference to labor contracts, it is attested from 1959.
