无底洞

Traditional form:

無底洞

Pinyin (reading):

wúdǐdòng

Definitions:

• bottomless pit

Characters:

• 无 - no, not; lacking, -less
• 底 - bottom, underside; below, underneath
• 洞 - cave, grotto, hole, ravine

Traditional characters:

• 無 - no, not; lacking, -less
• 底 - bottom, underside; below, underneath
• 洞 - cave, grotto, hole, ravine