burden
/ˈbɜ:dn; `bədn/ n
1 [C] thing or person that is carried; heavy load 所负载的事物或人; 重负
bear/carry/shoulder a heavy burden 负有[负起/肩负]重担.
2 [C] (fig 比喻) duty, obligation, responsibility, etc that is hard to bear （难以承担的）职责、义务、责任等
the burden of heavy taxation on the tax-payer 纳税者负担的重税
the burden of grief, guilt, remorse, etc 压在心头的悲伤、内疚、悔恨等
His invalid father is becoming a burden (to him). 他父亲体弱多病, （对他）渐渐成了累赘.
3 [sing] the ~ of sth main theme of a speech, an article, etc （演说、文章等的）主题, 要点
The burden of his argument was that... 他论证的要点是....
4 [U] ship's carrying capacity; tonnage （船的）装载量, 吨位. burden, v [Tn, Tn.pr]
~ sb/oneself (with sth) put a burden on sb/oneself; load sb/oneself 加负担於某人[自己]
refugees burdened with all their possessions 带著沉重家当的难民
(fig 比喻) I don't want to burden you with my problems. 我不想让我的问题给你增加负担.
Industry is heavily burdened with taxation. 工业为重税所累.