2 sentences

1. 金属片在高温下达到了白热化。

   jīn​shǔ​piàn zài gāo​wēn xià dá​dào le bái​rè​huà.

   The metal sheet became white-hot under high temperatures.

   Source: Dong Chinese Dictionary

2. 两支球队之间的竞争已经进入了白热化阶段。

   liǎng zhī qiú​duì zhī​jiān de jìng​zhēng yǐ​jīng jìn​rù le bái​rè​huà jiē​duàn.

   The competition between the two teams has reached a fever pitch.

   Source: Dong Chinese Dictionary