空空如也
kōng​kōng​rú​yě

absolutely empty

空空如也 kōng​kōng​rú​yě
absolutely empty adjective
completely empty; having nothing at all (often describing a physical space, pocket, or vessel)

如果没有我，地球将像月球一样空空如也。

rú​guǒ méi​yǒu wǒ, dì​qiú jiāng xiàng yuè​qiú yī​yàng kōng​kōng​rú​yě.

Without me the earth would be as empty as the moon.

sincere and humble
(literary) to be sincere, humble, and open-minded; describes a mind free of preconceptions, as famously used in the Analects to describe a person asking a question
vacuous
hollow or devoid of content; used to describe arguments, speeches, or a person's head

Frequency
Movie subtitles
0.720 per million appears in 0% of films
Written text
0.844 per million

Sources
Frequency data
SUBTLEX-CHBCC Corpus (BLCU)