n.[C]

1. 重负，重担；负担，沉重的责任
   The old man bent with a heavy burden on his back.

   老人因背着重负而弯腰。

2. （船的）装载吨数，吨位[the S][（+of）]

vt.

1. 加重压于，加负担于，烦扰[（+with）]
   The government burdened the nation with heavy taxes.

   政府使国民负担重税。

2. 加负荷于，使载重[（+with）]
   He was burdened with a large bundle of magazines.

   他吃力地捧着一大捆杂志。

n.[C]

1. 主旨，主题[the S]
2. （歌曲的）合唱叠句，副歌
3. 【古】歌曲的低声合唱

n.

1. a heavy load.
2. a cause of hardship, worry, or grief.
   ▸the main responsibility for a task.
3. a ship's carrying capacity.
4. the main theme of a speech, book, or argument.
5. archaic the refrain or chorus of a song.

v.

1. load heavily.
2. cause worry, hardship, or grief to.