Correct

打伙儿

/ dá huǒr / 
Strokes

Example

As a Verb

form a group; team up; do sth in a group; join together

1
Shàng
上
gè
个
xīngqītiān
星期天
tāmen
他们
jǐ
几
ge
个
rén
人
dá
打
huǒr  
伙儿
qù
去
nóngmàoshìchǎng
农贸市场
mǎi
买
cài
菜
  
。

They went together last Sunday to buy vegetables at a farmer's market.

2
Chéng
成
bāng
帮
dá
打
huǒr  
伙儿

in groups