8 sentences

1. 倘有不当之处，祈请见谅。

   tǎng yǒu bù​dàng zhī chù, qí qǐng jiàn​liàng.

   If there is anything inappropriate, please forgive me.

   Source: Dong Chinese Dictionary

2. 他的言辞非常不当。

   tā de yán​cí fēi​cháng bù​dàng.

   His remarks were highly inappropriate.

   Source: Dong Chinese Dictionary

3. 他的不当言论遭到了网友们的围攻。

   tā de bù​dàng yán​lùn zāo​dào le wǎng​yǒu​men de wéi​gōng.

   His inappropriate remarks came under fire from netizens.

   Source: Dong Chinese Dictionary

4. 由于安装不当，机器的零件发生了错位。

   yóu​yú ān​zhuāng bù​dàng, jī​qì de líng​jiàn fā​shēng le cuò​wèi.

   The machine parts became misaligned due to improper installation.

   Source: Dong Chinese Dictionary

5. 由于翻译不当，这句话的原意被歪曲了。

   yóu​yú fān​yì bù​dàng, zhè jù huà de yuán​yì bèi wāi​qū le.

   Due to improper translation, the original meaning of this sentence was distorted.

   Source: Dong Chinese Dictionary

6. 采样方法不当会导致实验结果产生偏差。

   cǎi​yàng fāng​fǎ bù​dàng huì dǎo​zhì shí​yàn jié​guǒ chǎn​shēng piān​chā.

   Improper sampling methods can lead to deviations in experimental results.

   Source: Dong Chinese Dictionary

7. 河豚的味道非常鲜美，但处理不当会有剧毒。

   hé​tún de wèi​dao fēi​cháng xiān​měi, dàn chǔ​lǐ bù​dàng huì yǒu jù​dú.

   Pufferfish tastes delicious, but it can be highly toxic if not handled properly.

   Source: Dong Chinese Dictionary

8. 医生说，这种病如果治疗不当可能会留下后遗症。

   yī​shēng shuō, zhè zhǒng bìng rú​guǒ zhì​liáo bù​dàng kě​néng huì liú​xià hòu​yí​zhèng.

   The doctor said that if this disease is not treated properly, it may leave lasting side effects.

   Source: Dong Chinese Dictionary