2 sentences for 切入 (qiē​rù — penetrate)

1. 这篇文章从一个新的角度切入。

   zhè piān wén​zhāng cóng yī gè xīn de jiǎo​dù qiē​rù.

   This article approaches the subject from a new perspective.

   Source: Dong Chinese Dictionary

2. 看火候差不多了，他才开始切入正题。

   kàn huǒ​hou chà​bu​duō le, tā cái kāi​shǐ qiē​rù zhèng​tí.

   Seeing that the timing was right, he began to get to the point.

   Source: Dong Chinese Dictionary