洞鉴

Traditional form:

洞鑒

Pinyin (reading):

dòngjiàn

Definitions:

• to examine deeply
• to inspect closely

Characters:

• 洞 - cave, grotto, hole, ravine
• 鉴 - mirror, looking glass; to reflect

Traditional characters:

• 洞 - cave, grotto, hole, ravine
• 鑒 - mirror, looking glass; to reflect