- 海上保险 hǎishàngbǎoxiǎn marine insuranceAn insurance policy covering risks associated with marine transport and cargo; specifically the compensation for losses due to shipwrecks or other accidents at sea.
- 海上台风警报 hǎishàngtáifēngjǐngbào maritime typhoon warninga warning or alert issued for a typhoon occurring at sea
- 海上大学 hǎishàngdàxué floating universityA university or college located on a ship, providing facilities for study and research while traveling to different countries or anchored in a harbor
- 海上奇书 hǎishàngqíshū literary journalliterary journal published in 1892–93 by [[韩邦庆|韓邦慶|han2 bang1 qing4]] featuring serialized novels in Classical Chinese and Jiangsu vernacular
- 海上封锁 hǎishàngfēngsuǒ naval blockadea military operation conducted at sea to prevent ships from entering or leaving an enemy's ports or coast
- 海上抢劫 hǎishàngqiǎngjié piracypiracy; maritime hijacking
- 海上救难 hǎishàngjiùnàn maritime salvageThe rescue and salvage of ships that have run aground, capsized, or are adrift at sea; usually performed by vessels with specialized equipment and personnel.
- 海上航行 hǎishànghángxíng ocean navigationthe act of sailing or navigating on the sea
- 海上花 hǎishànghuā flowers on the sea(literary) flowers drifting on the sea, often used as a metaphor for courtesans in old Shanghai
- 海上花列传 hǎishànghuālièzhuàn The Sing-Song Girls of ShanghaiA classic novel by Han Bangqing published in 1894; it depicts the lives of courtesans in Shanghai's foreign settlements using Suzhou dialect and was famously translated by Eileen Chang into English and Mandarin