1 something that is heavy and difficult to carry 重负
2 a responsibility or difficult task that causes a lot of work or worry 重担;担子:
Having to make all the decisions is a terrible burden for me.所有事情都要我作主,着实令我吃不消。I don't want to be a burden to my children when I'm old.他日年老之时我决不想拖累子女。
burden²
/ˈbɜ:dn ||; ˈbɝdṇ/verb
[T] burden sb/yourself (with sth) to give sb/yourself a responsibility or task that causes a lot of work or worry 让某人或自己肩负(重担)