great changes and transformations over time, particularly in worldly affairs or history

the vast, blue sea; often used metaphorically for great changes or immense space

the upper course (in southwestern China) of the Mekong River

the literal transformation of the blue sea into mulberry fields through geological change

having seen much of the world and undergone many life changes; widely experienced in the vicissitudes of life

prefecture-level city in Hebei Province

Licang district of Qingdao city, Shandong

Licang district of Qingdao city, Shandong

a drop in the ocean; something very small and minor in comparison to a vast whole

having lived through many changes

Lincang, a prefecture-level city in Yunnan Province

Cang County in Cangzhou City, Hebei province

a sense of having experienced the many changes and hardships of life

Lancang Lahu Autonomous County in Pu'er, Yunnan

Cangyuan Va autonomous county in Lincang, Yunnan

undiscovered talent or a valuable item that has been overlooked

Cangyuan Va Autonomous County in Lincang, Yunnan

Lancang Lahuzu Autonomous County in Pu'er, Yunnan

mosasaur (extinct marine reptile)

one who has seen the world or reached a high level of expertise is no longer impressed by trivialities or mediocre things

The Surging Waves Pavilion in Suzhou, Jiangsu

(zoology) family Mosasauridae

Haicang district of Xiamen City, Fujian

to have experienced great changes and hardships over a long period of time