| 1 | 塞 | 塞 | sè | se4 | to stop up; to stuff; to cope with | | |
| 2 | 阻塞 | 阻塞 | zǔ sè | zu3 se4 | to block; to clog | | |
| 3 | 堵塞 | 堵塞 | dǔ sè | du3 se4 | to clog up; blockage | | |
| 4 | 脑梗塞 | 腦梗塞 | nǎo gěng sè | nao3 geng3 se4 | cerebral infarction | | |
| 5 | 浊塞音 | 濁塞音 | zhuó sè yīn | zhuo2 se4 yin1 | (linguistics) voiced stop | | |
| 6 | 波士尼亚与赫塞哥维纳 | 波士尼亞與赫塞哥維納 | bō shì ní yà yǔ hè sè gē wéi nà | Bo1 shi4 ni2 ya4 yu3 He4 se4 ge1 wei2 na4 | Bosnia and Herzegovina (Tw) | | |
| 7 | 奥塞梯 | 奧塞梯 | ào sè tī | Ao4 se4 ti1 | Ossetia (a Caucasian republic) | | |
| 8 | 阿尔瓦塞特 | 阿爾瓦塞特 | ā ěr wǎ sè tè | A1 er3 wa3 se4 te4 | Albacete, Spain | | |
| 9 | 交通阻塞 | 交通阻塞 | jiāo tōng zǔ sè | jiao1 tong1 zu3 se4 | traffic jam | | |
| 10 | 交通堵塞 | 交通堵塞 | jiāo tōng dǔ sè | jiao1 tong1 du3 se4 | road congestion; traffic jam | | |
| 11 | 喉塞音 | 喉塞音 | hóu sè yīn | hou2 se4 yin1 | glottal stop | | |
| 12 | 埃拉托塞尼斯 | 埃拉托塞尼斯 | āi lā tuō sè ní sī | Ai1 la1 tuo1 se4 ni2 si1 | Eratosthenes of Cyrene (c. 276-c. 195 BC), ancient Greek mathematician and inventor | | |
| 13 | 梗塞 | 梗塞 | gěng sè | geng3 se4 | to clog; to block; to obstruct | | |
| 14 | 敷衍搪塞 | 敷衍搪塞 | fū yan táng sè | fu1 yan5 tang2 se4 | to give a lame excuse (idiom) | | |
| 15 | 敷衍塞责 | 敷衍塞責 | fū yǎn sè zé | fu1 yan3 se4 ze2 | to skimp on the job; to work half-heartedly; not to take the job seriously | | |
| 16 | 肺栓塞 | 肺栓塞 | fèi shuān sè | fei4 shuan1 se4 | pulmonary embolism (medicine) | | |
| 17 | 闭目塞听 | 閉目塞聽 | bì mù sè tīng | bi4 mu4 se4 ting1 | to shut one's eyes and stop one's ears; out of touch with reality; to bury one's head in the sand | | |
| 18 | 杜塞 | 杜塞 | dù sè | du4 se4 | to stop; to block | | |
| 19 | 堵塞费 | 堵塞費 | dǔ sè fèi | du3 se4 fei4 | traffic congestion fee | | |
| 20 | 拔根塞源 | 拔根塞源 | bá gēn sè yuán | ba2 gen1 se4 yuan2 | to dig out the root, block up the source; to uproot (idiom) | | |
| 21 | 德莱塞 | 德萊塞 | dé lái sè | De2 lai2 se4 | Dreiser (surname); Theodore Dreiser (1871-1945), American writer | | |
| 22 | 词穷语塞 | 詞窮語塞 | cí qióng yǔ sè | ci2 qiong2 yu3 se4 | to close one's mouth for want of words (idiom) | | |
| 23 | 充塞 | 充塞 | chōng sè | chong1 se4 | congestion; to block; to congest; to crowd; to choke; to cram; to fill up; to stuff; to take up all the space | | |
| 24 | 鼻塞 | 鼻塞 | bí sè | bi2 se4 | a blocked nose | | |
| 25 | 闭门塞窦 | 閉門塞竇 | bì mén sè dòu | bi4 men2 se4 dou4 | to close doors and block openings (idiom); mounting a strict defense | | |