1. 重型卡车
A juggernaut is a very large truck.

2. 无法控制的强大机构；巨头集团
If you describe an organization or group as a juggernaut, you are critical of them because they are large and extremely powerful, and you think they are not being controlled properly.

1. a massive inexorable force that seems to crush everything in its way

Synonym: steamroller