| 白海 | Bái Hǎi | White Sea |
| 百川归海 | bǎi chuān guī hǎi | all things tends in one direction |
皇家加勒比海游轮
公司 | Huáng jiā Jiā lè bǐ Hǎi yóu lún gōng sī | Royal Caribbean Cruise Lines |
| 皇家海军 | huáng jiā hǎi jūn | Royal Navy (UK) |
| 盟山誓海 | méng shān shì hǎi | to pledge undying love (idiom); oath of eternal love; to swear by all the Gods |
| 目空四海 | mù kōng sì hǎi | the eye can see nothing worthwhile all around (idiom); arrogant; condescending; supercilious |
| 直布罗陀海峡 | Zhí bù luó tuó Hǎi xiá | Strait of Gibraltar |
| 瞒天过海 | mán tiān guò hǎi | to cross the sea by a trick (idiom); to achieve one's aim by underhanded means |
| 石投大海 | shí tóu dà hǎi | to disappear like a stone dropped into the sea; to vanish forever without trace |
| 碧海青天 | bì hǎi qīng tiān | green sea, blue sky (idiom); sea and sky merge in one shade; loneliness of faithful widow |
| 福如东海 | fú rú Dōng hǎi | lucky as immense as the East sea (idiom); a lucky sign |
| 福海 | Fú hǎi | Fuhai county or Burultoqay nahiyisi in Altay prefecture 阿勒泰地区, Xinjiang |
| 福海县 | Fú hǎi xiàn | Fuhai county or Burultoqay nahiyisi in Altay prefecture 阿勒泰地区, Xinjiang |
| 秋海棠 | qiū hǎi táng | begonia |
| 秋海棠花 | qiū hǎi táng huā | begonia |
| 程海湖 | Chéng hǎi hú | Chenghai lake in Lijiang 丽江市, Hunan |
| 第勒尼安海 | Dì lè ní ān hǎi | Tyrrhenian sea between Sardinia and the Italian mainland |
| 粤海 | Yuè Hǎi | Guangdong-Hainan |
| 精卫填海 | Jīng wèi tián hǎi | lit. mythical bird Jingwei tries to fill the ocean with stones (idiom); futile ambition; task of Sisyphus; determination in the face of impossible odds |
| 美国海岸警卫队 | Měi guó Hǎi àn Jǐng wèi duì | United States Coast Guard |
| 翻江倒海 | fān jiāng dǎo hǎi | overwhelming flood; deluge; fig. a flood (of goods, people, information etc) |
| 联合国海洋法公约 | Lián hé guó Hǎi yáng fǎ Gōng yuē | United Nations Convention on the Law of the Sea |
| 胡吃海喝 | hú chī hǎi hē | to eat and drink gluttonously; to pig out |
| 脱离苦海 | tuō lí kǔ hǎi | to escape from the abyss of suffering; to shed off a wretched plight |
| 临海市 | Lín hǎi shì | Linhai county level city in Taizhou 台州, Zhejiang |
| 临海水土志 | Lín hǎi shuǐ tǔ zhì | Seaboard geographic gazetteer (c. 275) by Shen Ying 沈莹 |
| 临海县 | Lín hǎi xiàn | Linhai county in east Zhejiang |
| 台海 | Tái hǎi | abbr. for 台湾海峡, Taiwan strait |
| 兴海 | Xīng hǎi | Xinghai county in Hainan Tibetan autonomous prefecture 海南藏族自治州, Qinghai |
| 兴海县 | Xīng hǎi xiàn | Xinghai county in Hainan Tibetan autonomous prefecture 海南藏族自治州, Qinghai |
| 航海家 | háng hǎi jiā | mariner; seafarer |
| 航海年表 | háng hǎi nián biǎo | nautical ephemeris |
| 航海者 | háng hǎi zhě | navigator |
苦海无边，
回头是岸 | kǔ hǎi wú biān ,
huí tóu shì àn | The sea of bitterness has no bounds, turn your head to see the shore (idiom). Only Buddhist enlightenment can allow one to shed off the abyss of worldly suffering.; Repent and ye shall be saved! |
| 苦海茫茫 | kǔ hǎi máng máng | sea of bitterness is vast (idiom) |
| 薄海 | bó hǎi | vast area; all the way to the sea |
| 蜚声海外 | fěi shēng hǎi wài | famous at home and abroad |
| 许海峰 | Xǔ Hǎi fēng | Xu Haifeng (1957-), PRC sharpshooter, 50m pistol gold medalist at Los Angeles 1984 Olympics |
| 夸海口 | kuā hǎi kǒu | to boast; to talk big |
| 象海豹 | xiàng hǎi bào | elephant seal |
| 跨海大桥 | kuà hǎi dà qiáo | bay bridge (elevated bridge across stretch of water) |
| 辞海 | cí hǎi | Ci Hai, an encyclopedic dictionary first published in 1915, most recent edition 1999 |
| 通海 | Tōng hǎi | Tonghai county in Yuxi 玉溪, Yunnan |
| 通海县 | Tōng hǎi xiàn | Tonghai county in Yuxi 玉溪, Yunnan |
| 道山学海 | dào shān xué hǎi | mountain of Dao, sea of learning (idiom); learning is as high as the mountains, as wide as the seas; ars longa, vita brevis |
| 达达尼尔海峡 | Dá dá ní ěr hǎi xiá | Dardanelles Strait; Turkish: Çanakkale Boğazı |
| 辽海 | Liáo hǎi | east and south of Liaoning province |
| 郝海东 | Hǎo Hǎi dōng | Hao Haidong |
| 鄂霍次克海 | È huò cì kè hǎi | sea of Okhotsk |
| 醋海生波 | cù hǎi shēng bō | lit. waves on a sea of vinegar; trouble caused by a jealous woman (idiom) |
