滄海cānghǎi
[deep blue sea;the sea] 大海.以其一望無際、水深呈青蒼色,故名
東臨碣石,以觀滄海.——《樂府詩集·曹操·步出夏門行》
滄海桑田
cānghǎi-sāngtián
[the swift changes of the world;great changes are seen in the course of time;the evanescence of the worldly affairs is like the sea turned into a mulberry field (orchid)] 大海變成了種桑樹的田地,種桑樹的田地變成了大海.比喻世事多變,人生無常;或喻世事變化的巨大迅速——略稱滄桑
山河改轉(zhuǎn),滄海桑田
滄海一粟
cānghǎi-yīsù
[a drop in the ocean] 滄海浩大,一粟渺小.比喻人生在世猶一粟于滄海之中