2 sentences for 应声 (yìng​shēng)

1. 他只会随声附和，一味地应声。

   tā zhǐ huì suí​shēng​fù​hè, yī​wèi de yìng​shēng.

   He only echoes others and blindly agrees.

   Source: Dong Chinese Dictionary

2. 我敲了敲门，但屋里没有人应声。

   wǒ qiāo le qiāo​mén, dàn wū​li méi​yǒu rén yìng​shēng.

   I knocked on the door, but no one answered from inside.

   Source: Dong Chinese Dictionary