Correct

搬救兵

/ bān jiù bīng / 
Strokes
https://i.cchatty2.com/filters:format(webp)/fit-in/684x0/img/202102/搬救兵-Chinese-idioms-Cchatty-2cf462d9-4882-448b-ac5a-d9a912c7706f-1612777354.jpg

Collocation

1
去搬救兵
2
到朋友家搬救兵
3
赶快搬救兵
4
来搬救兵

Definition

搬救兵

Literally means:

call for reinforcements

Actually means:

It means in an emergent or difficult situation one goes to a person for help or support.

指危急时或有困难时找救援或帮助自己的人。

Example

Used as predicate or object. (常作谓语、宾语)
1
Tā
她
shuō
说
  
,
yǒu
有
gè
个
kěyí
可疑
de
的
nánzǐ
男子
chuǎngjìn
闯进
dàyuàn
大院
lǐ
里
  
,
tā
她
pà
怕
duìfu
对付
bù
不
le
了
  
,
jiù
就
suǒ
锁
le
了
dàmén
大门
gǎnkuài
赶快
bān
搬
jiùbīng
救兵
  
。

She said that a suspicious man broke into the compound, she was afraid of not being able to deal with, locked the door and quickly moved the rescuers.

2
Mǎshàng
马上
jiùyào
就要
xià
下
bàoyǔ
暴雨
le
了
  
,
yào
要
bǎ
把
shuǐní
水泥
bānjìn
搬进
cāngkù
仓库
  
,
duìzhǎng
队长
pài
派
wǒ
我
lái
来
bān
搬
jiùbīng
救兵
  
,
qǐng
请
nǐmen
你们
gǎnkuài
赶快
qù
去
zhīyuán
支援
  
。

It's going to rain heavily, move cement into the warehouse, the captain sent me to move the rescuers, please hurry up to support.

3
Yǒu
有
yī
一
zhī
只
xiǎo
小
yáng
羊
diào
掉
jìn
进
kūjǐng
枯井
lǐ
里
  
,
wǒmen
我们
méiyǒu
没有
bànfǎ
办法
bǎ
把
tā
它
jiù
救
shànglái
上来
  
,
zhǐhǎo
只好
lái
来
bān
搬
jiùbīng
救兵
  
。

There was a lamb falling into a dry well, and there was no way we could save it, so we had to move the rescuers.