4 sentences

1. 陶艺师将泥土填入模中以定型。

   táo​yì​shī jiāng ní​tǔ tián​rù mú zhōng yǐ dìng​xíng.

   The potter filled the mold with clay to shape it.

   Source: Dong Chinese Dictionary

2. 这种新机型已经基本定型，准备投入批量生产。

   zhè zhǒng xīn jī​xíng yǐ​jīng jī​běn dìng​xíng, zhǔn​bèi tóu​rù pī​liàng shēng​chǎn.

   The design of this new model has basically been finalized and is ready for mass production.

   Source: Dong Chinese Dictionary

3. 理发师用发胶给他的新发型定型。

   lǐ​fà​shī yòng fà​jiāo gěi tā de xīn fà​xíng dìng​xíng.

   The barber used hairspray to set his new hairstyle.

   Source: Dong Chinese Dictionary

4. 青少年时期是一个人性格定型的关键阶段。

   qīng​shào​nián shí​qī shì yī gè rén xìng​gé dìng​xíng de guān​jiàn jiē​duàn.

   Adolescence is a crucial stage for the formation of one's personality.

   Source: Dong Chinese Dictionary