heavy weight

基本解释

He was crowned heavy weight boxing champion.
他被授予重量级拳击冠军的称号。
The unhappy culprit sustained herself as best a woman might, under the heavy weight of a thousand unrelenting eyes, all fastened upon her and concentrated at her bosom.
这个不幸的罪人，在数百双无情的日光紧盯着她、集中在她前胸的重压之下，尽一个妇人的最大可能支撑着自己。
During his parliamentary speech, Mr Obama declared that “history…unresolved can be a heavy weight…I know there are strong views in this chamber about the terrible events of 1915.
在他的议会演讲中，奥巴马指出“历史……若悬而未决，将会成为一个沉重的负担……我知道在这个房间里有一些人对于1915年那些可怕事件有着强硬的看法。

Intensively used grasslands are also harmed as the soil is continually crushed under the weight of heavy animals.

It has been kicking for so many months that MMR was forced to control it by pouring in heavy weight muds.
FORBES: Shortsellers Party Hearty After Their Cheerleader Says McMoRan Is Worth Zero
The emphasis on urban water problems has arisen from the heavy weight of the urban populations in the political process and, in general, their more active role in politics.
UNESCO: EDUCATION

A heavyweight is a boxer weighing more than 175 pounds and therefore in the heaviest class.
If you refer to a person or organization as a heavyweight, you mean that they have a lot of influence, experience, and importance in a particular field, subject, or activity.