2 sentences for 接应 (jiē​yìng)

1. 你们进屋搜查，我在外面接应。

   nǐ​men jìn wū sōu​chá, wǒ zài wài​miàn jiē​yìng.

   You guys go inside to search; I'll provide backup outside.

   Source: Dong Chinese Dictionary

2. 援军及时赶到，接应了被围困的部队。

   yuán​jūn jí​shí gǎn​dào, jiē​yìng le bèi wéi​kùn de bù​duì.

   Reinforcements arrived in time to relieve the besieged troops.

   Source: Dong Chinese Dictionary