2 sentences

1. 他在这部戏中甘当绿叶，衬托主角。

   tā zài zhè bù xì zhōng gān​dāng lǜ​yè, chèn​tuō zhǔ​jué.

   He was willing to play a supporting role in this play to highlight the lead character.

   Source: Dong Chinese Dictionary

2. 绿叶衬托着红花，显得花儿格外美丽。

   lǜ​yè chèn​tuō zhe hóng​huā, xiǎn​de huā r gé​wài měi​lì.

   The green leaves set off the red flowers, making them look exceptionally beautiful.

   Source: Dong Chinese Dictionary