3 sentences

1. 这个谎言漏洞百出，全是破绽。

   zhè gè huǎng​yán lòu​dòng​bǎi​chū, quán shì pò​zhàn.

   The lie is full of holes and flaws.

   Source: Dong Chinese Dictionary

2. 对方露出了破绽，他顺势发动了进攻。

   duì​fāng lù​chū le pò​zhàn, tā shùn​shì fā​dòng le jìn​gōng.

   The opponent showed a weakness, and he took the opportunity to launch an attack.

   Source: Dong Chinese Dictionary

3. 他的衣服袖口裂开了一个破绽。

   tā de yī​fu xiù​kǒu liè​kāi le yī gè pò​zhàn.

   The cuff of his sleeve has a tear in it.

   Source: Dong Chinese Dictionary