whopper

1. N-COUNT If you describe a lie as a whopper, you mean that it is very far from the truth. 彌天大謊[非正式]

...the biggest whopper the president told. ...縂統撒的彌天大謊。

2. N-COUNT If you refer to something as a whopper, you mean that it is an unusually large example of the thing mentioned. 龐然大物[非正式]

As comets go, it is a whopper. 在彗星裡，它可算是個龐然大物。