4 sentences

1. 任意两点之间可以画一条直线。

   rèn​yì liǎng diǎn zhī​jiān kě​yǐ huà yī tiáo zhí​xiàn.

   A straight line can be drawn between any two points.

   Source: Dong Chinese Dictionary

2. 按任意键。

   àn rèn​yì jiàn.

   Press any key.

   Source: OpenSubtitles

3. 我们不能在公园里任意采摘花朵。

   wǒ​men bù néng zài gōng​yuán lǐ rèn​yì cǎi​zhāi huā​duǒ.

   We cannot pick flowers at will in the park.

   Source: Dong Chinese Dictionary

4. 他总觉得自己有权任意驱使别人。

   tā zǒng jué​de zì​jǐ yǒu quán rèn​yì qū​shǐ bié​ren.

   He always feels he has the right to boss people around at will.

   Source: Dong Chinese Dictionary