Correct

应声虫

/ yìng shēng chóng /
Strokes
https://i.cchatty2.com/filters:format(webp)/fit-in/684x0/img/202102/应声虫-Chinese-idioms-Cchatty-44412035-3c9e-4f4e-8db0-4689b09a0c00-1612777016.jpg

Collocation

1
当……的应声虫
2
这个应声虫
3
是只应声虫

Definition

应声虫

Literally means:

yesman

Actually means:

This phrase figuratively means someone who does not have his own opinion and only echoes with others. Sometimes it refers to someone who follows other's opinion because of some pressure or because of other's influence, often derogative.

比喻没有自己独立的看法,别人怎么说自己也怎么说的人。有时指屈服于某种压力,或受别人的影响而随顺别人意见的人。具有贬义色彩。

Example

Used as object or subject. (作宾语、主语)
1
zhě
记者
néng
zuò
shǎoshù
少数
rén
de
yīngshēng
应声
chóng
  
,
ér
必须
chuán
传递
mínzhòng
民众
de
shēng
呼声
  

Journalists can't be a minority responder, but must convey the voice of the people.

2
xiàng
一向
méiyǒu
没有
zhǔjiàn
主见
  
,
lǎoshi
老是
tīngcóng
听从
biéren
别人
de
jiàn
意见
  
,
zhī
huì
zuò
lián
可怜
de
yīngshēng
应声
chóng
  

He has always had no opinion, always listens to other people's opinions, only does poor responders.

3
Zhè
zhī
yīngshēng
应声
chóng
  
,
lǎobǎn
老板
huàyīn
话音
gāng
luò
  
,
jiù
jǐnjiēzhāo
紧接着
suíshēng
随声附和
  

This sound bug, the boss's voice just dropped, he immediately followed the voice and echo.