Correct

推完磨杀老驴

/ tuī wán mó shā lǎo lǘ /
Strokes
https://i.cchatty2.com/filters:format(webp)/fit-in/684x0/img/202102/推完磨杀老驴-Chinese-idioms-Cchatty-25c27ef8-e710-4cc0-9c4b-caf85b435d09-1612777343.jpg

Collocation

1
推完磨杀老驴的人
2
竟会推完磨杀老驴
3
当上了皇帝就推完磨杀老驴

Definition

推完磨杀老驴:

Literally means:

kill the donkey the moment it leaves the millstone

Actually means:

get rid somebody as soon as he outlives his usefulness

It figuratively means getting rid of someone who helped as soon as one's purpose is achieved. Derogatory.

比喻达到目的以后,就除掉或抛弃替自己出过力的人。具有贬义色彩。

Example

Used as predicate, object or attributive. (作谓语、宾语、定语)
1
Hàncháo
汉朝
de
第一
huáng
皇帝
liúbāng
刘邦
xīnhěnshǒu
心狠手辣
  
,
wèile
为了
gǒng
巩固
自己
de
wèi
地位
  
,
jìng
tuī
wán
shā
磨杀
lǎo
老驴
  
,
chúdiào
除掉
le
hǎo
好几
gōngchén
功臣
  

Liu Bang, the first emperor of the Han Dynasty, had a hard heart, and in order to consolidate his position, he pushed and killed the old donkey, and removed several meritorious men.

2
shì
hěn
xiǎo
小气
de
rén
  
,
dānxīn
担心
huì
tuī
wán
shā
磨杀
lǎo
老驴
  
,
dìng
一定
yào
dāngxīn
当心
  

He's a very small man, and I'm afraid he'll kill the old donkey, you have to be careful.

3
Yàobushì
要不是
gào
告诉
  
,
hái
zhēn
de
zhīdào
知道
shì
tuī
wán
shā
磨杀
lǎo
de
rén
  

If you hadn't told me, I really wouldn't have known he was the one who pushed and killed the old donkey.