heavy weight

基本解释

He was crowned heavy weight boxing champion.
他被授予重量級拳擊冠軍的稱號。
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.
這個不幸的罪人，在數百雙無情的日光緊盯著她、集中在她前胸的重壓之下，盡一個婦人的最大可能支撐著自己。
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.
在他的議會縯講中，奧巴馬指出“歷史……若懸而未決，將會成爲一個沉重的負擔……我知道在這個房間裡有一些人對於1915年那些可怕事件有著強硬的看法。

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.