| 1 | 稀 | 稀 | xī | xi1 | rare; uncommon; watery; sparse | | |
| 2 | 稀少 | 稀少 | xī shǎo | xi1 shao3 | sparse; rare | | |
| 3 | 稀疏 | 稀疏 | xī shū | xi1 shu1 | sparse; infrequent; thinly spread | | |
| 4 | 稀薄 | 稀薄 | xī bó | xi1 bo2 | thin; rarefied | | |
| 5 | 稀释 | 稀釋 | xī shì | xi1 shi4 | rare; to dilute | | |
| 6 | 稀有 | 稀有 | xī yǒu | xi1 you3 | uncommon | | |
| 7 | 稀稀拉拉 | 稀稀拉拉 | xī xī lā lā | xi1 xi1 la1 la1 | sparse and fragmentary | | |
| 8 | 稀土元素 | 稀土元素 | xī tǔ yuán sù | xi1 tu3 yuan2 su4 | rare earth element (chemistry) | | |
| 9 | 稀土金属 | 稀土金屬 | xī tǔ jīn shǔ | xi1 tu3 jin1 shu3 | rare earth element | | |
| 10 | 稀土 | 稀土 | xī tǔ | xi1 tu3 | rare earth (chemistry) | | |
| 11 | 稀松骨质 | 稀鬆骨質 | xī sōng gǔ zhì | xi1 song1 gu3 zhi4 | cancellous bone; trabecular bone; spongy bone | | |
| 12 | 稀松 | 稀鬆 | xī sōng | xi1 song1 | poor; sloppy; unconcerned; heedless; lax; unimportant; trivial; loose; porous | | |
| 13 | 稀疏零落 | 稀疏零落 | xī shū líng luò | xi1 shu1 ling2 luo4 | sparse and scattered (idiom) | | |
| 14 | 稀有气体 | 稀有氣體 | xī yǒu qì tǐ | xi1 you3 qi4 ti3 | rare gas; noble gas (chemistry) | | |
| 15 | 稀世不凡 | 稀世不凡 | xī shì bù fán | xi1 shi4 bu4 fan2 | to be really sth. else (idiom) | | |
| 16 | 稀有元素 | 稀有元素 | xī yǒu yuán sù | xi1 you3 yuan2 su4 | trace element (nutrition) | | |
| 17 | 稀粥 | 稀粥 | xī zhōu | xi1 zhou1 | water gruel; thin porridge | | |
| 18 | 稀缺 | 稀缺 | xī quē | xi1 que1 | scarce; scarcity | | |
| 19 | 稀奇古怪 | 稀奇古怪 | xī qí gǔ guài | xi1 qi2 gu3 guai4 | crazy; bizarre; weird; fantastic; strange | | |
| 20 | 稀奇 | 稀奇 | xī qí | xi1 qi2 | rare; strange | | |
| 21 | 稀落 | 稀落 | xī luò | xi1 luo4 | Scattered and scattered | | |
| 22 | 稀里马虎 | 稀里馬虎 | xī li mǎ hu | xi1 li5 ma3 hu5 | careless (idiom) | | |
| 23 | 稀里哗啦 | 稀裡嘩啦 | xī li huā lā | xi1 li5 hua1 la1 | (onom.) rustling sound; sound of rain or of sth falling down; in disorder; completely smashed; badly battered; broken to pieces | | |
| 24 | 稀里糊涂 | 稀裏糊塗 | xī li hú tu | xi1 li5 hu2 tu5 | muddleheaded; careless | | |
| 25 | 稀里光当 | 稀里光當 | xī li guāng dāng | xi1 li5 guang1 dang1 | thin; diluted | | |