海蓝

海浪 hǎilàng HSK 6 #8,432

sea wave; ocean wave

海洋 hǎiyáng HSK 6 #4,338

ocean; sea / the oceans (collectively)

海上 hǎishàng #5,650

at sea / on the sea / maritime

海 hǎi HSK 2 #1,546

sea / ocean

海底 hǎidǐ HSK 6 #6,156

seabed; ocean floor; bottom of the sea

碧海银沙 bìhǎiyínshā

jade-blue sea and silver sand / (of a coastline) crystal-clear sea and silver-white beaches

蓝带 lándài

blue ribbon (top award) / Blue Ribbon (brand name, esp. Pabst Blue Ribbon beer 蓝带啤酒)

碧海青天夜夜心 bìhǎiqīngtiānyèyèxīn

blue sea, green sky — her heart ached night after night / (fig.) eternal loneliness and regret, set against a cold cosmic backdrop / (lit.) emerald sea, azure sky, night-night heart

春江潮水连海平 chūnjiāngcháoshuǐliánhǎipíng

the spring river's tide rises level with the sea / (fig.) a vast, merging horizon where river and ocean become one / (lit.) spring-river tide-water joins sea level

学海无涯苦作舟 xuéhǎiwúyákǔzuòzhōu

on the shoreless sea of learning, hard effort is one's boat / learning is a boundless ocean traversed only by willingness to suffer / lit. learning-sea no-shore — suffering make boat