| 1 | 塞 | 塞 | sài | sai4 | strategic pass; tactical border position | | |
| 2 | 塞尔达 | 塞爾達 | sài ěr dá | Sai4 er3 da2 | Zelda (in Legend of Zelda video game) | | |
| 3 | 塞尔南 | 塞爾南 | sài ěr nán | Sai4 er3 nan2 | Eugene Cernan (1934-), US astronaut in Apollo 10 and Apollo 17 missions, "last man on the moon" | | |
| 4 | 塞拉凡 | 塞拉凡 | sài lā fán | sai4 la1 fan2 | (Sonny) Seraphin (Haitian ambassador to Taiwan) | | |
| 5 | 塞拉利昂 | 塞拉利昂 | sài lā lì áng | Sai4 la1 li4 ang2 | Sierra Leone | | |
| 6 | 塞内加尔 | 塞內加爾 | sài nèi jiā ěr | Sai4 nei4 jia1 er3 | Senegal | | |
| 7 | 塞浦路斯 | 塞浦路斯 | sài pǔ lù sī | Sai4 pu3 lu4 si1 | Cyprus | | |
| 8 | 塞舌尔 | 塞舌爾 | sài shé ěr | Sai4 she2 er3 | the Seychelles | | |
| 9 | 塞舌尔群岛 | 塞舌爾群島 | sài shé ěr qún dǎo | Sai4 she2 er3 Qun2 dao3 | the Seychelles | | |
| 10 | 塞外 | 塞外 | sài wài | sai4 wai4 | beyond the Great Wall | | |
| 11 | 塞韦里诺 | 塞韋里諾 | sài wéi lǐ nuò | Sai4 wei2 li3 nuo4 | (Jean-Michel) Severino, CEO of the Agence Française de Développement (AFD) | | |
| 12 | 塞翁失马 | 塞翁失馬 | sài wēng shī mǎ | sai4 weng1 shi1 ma3 | lit. the old man lost his horse, but it all turned out for the best (idiom); fig. a blessing in disguise; it's an ill wind that blows nobody any good | | |
| 13 | 塞翁失马安知非福 | 塞翁失馬安知非福 | sài wēng shī mǎ ān zhī fēi fú | sai4 weng1 shi1 ma3 an1 zhi1 fei1 fu2 | the old man lost his mare, but it all turned out for the best (idiom); fig. a blessing in disguise; it's an ill wind that blows nobody any good; also written 塞翁失马焉知非福 | | |
| 14 | 塞翁失马焉知非福 | 塞翁失馬焉知非福 | sài wēng shī mǎ yān zhī fēi fú | sai4 weng1 shi1 ma3 yan1 zhi1 fei1 fu2 | the old man lost his mare, but it all turned out for the best (idiom); fig. a blessing in disguise; it's an ill wind that blows nobody any good | | |
| 15 | 塞语 | 塞語 | sài yǔ | Sai4 yu3 | Serb language | | |