3 sentences

1. 他在异性面前总是感到很拘束。

   tā zài yì​xìng miàn​qián zǒng​shì gǎn​dào hěn jū​shù.

   He always feels very self-conscious in front of the opposite sex.

   Source: Dong Chinese Dictionary

2. 别太拘束，就像在自己家里一样。

   bié tài jū​shù, jiù xiàng zài zì​jǐ jiā lǐ yī​yàng.

   Don't be so formal; make yourself at home.

   Source: Dong Chinese Dictionary

3. 由于法律的拘束，他不能随意离开。

   yóu​yú fǎ​lǜ de jū​shù, tā bù néng suí​yì lí​kāi.

   Due to legal constraints, he cannot leave at will.

   Source: Dong Chinese Dictionary