9 sentences

1. 它们就像钻石那样坚硬。

   tā​men jiù xiàng zuàn​shí nà​yàng jiān​yìng.

   They are as hard as diamonds.

   Source: CCMatrix

2. 种子黑色而坚硬。

   zhǒng​zi hēi​sè ér jiān​yìng.

   The seeds are black and hard.

   Source: CCMatrix

3. 避免接触尖锐、坚硬的物体。

   bì​miǎn jiē​chù jiān​ruì, jiān​yìng de wù​tǐ.

   Avoid contact with sharp, hard objects.

   Source: CCMatrix

4. 大理石是一种非常耐用，坚硬的石头。

   dà​lǐ​shí shì yī​zhǒng fēi​cháng nài​yòng, jiān​yìng de shí​tou.

   Marble is a very durable and hard stone.

   Source: CCMatrix

5. 石头的大小可以不同，但它们通常是坚硬的白色。

   shí​tou de dà​xiǎo kě​yǐ bù​tóng, dàn tā​men tōng​cháng shì jiān​yìng de bái​sè.

   The stones can vary in size, but they are usually hard and white.

   Source: CCMatrix

6. 我感觉好像坚硬而尖锐的东西卡在我的喉咙里。

   wǒ gǎn​jué hǎo​xiàng jiān​yìng ér jiān​ruì de dōng​xi qiǎ zài wǒ​de hóu​lóng li.

   I feel as though something hard and sharp is stuck in my throat.

   Source: CCMatrix

7. 为什么岩石看上去，摸上去是固质、坚硬而又无法穿透的呢？

   wèi​shén​me yán​shí kàn​shang​qu, mō shang qù shì gù zhì, jiān​yìng ér yòu wú​fǎ chuān tòu de ne?

   Why, then, do rocks look and feel solid and hard and impenetrable?

   Source: UM-Corpus: Subtitles

8. 混凝土和大理石地板，以及其他坚硬的表面，会导致你的脚抽筋。

   hùn​níng​tǔ hé dà​lǐ​shí dì​bǎn, yǐ​jí qí​tā jiān​yìng de biǎo​miàn, huì dǎo​zhì nǐ de jiǎo chōu jīn.

   Concrete and marble floors, as well as other hard surfaces, can cause your feet to cramp.

   Source: CCMatrix

9. 如果他们知道了钻透那坚硬的岩石有多么困难，他们会丧失信心的。

   rú​guǒ tā​men zhī​dao le zuān tòu nà jiān​yìng de yán​shí yǒu duō​me kùn​nan, tā​men huì sàng​shī xìn​xīn de.

   If they knew how difficult it was to drill through the hard rock, they would lose heart.

   Source: CCMatrix