Correct
搭班
/ dā bān /
Strokes
Example
As a Verb
join a theatrical troupe on a temporary basis
1
Dā
搭
bān
班
chàngxì
唱戏
temporarily join a group to perform dramatic operas
As a Verb
team up temporarily with sb; temporarily join in a group's work
2
Tā
他
yú
与
yáng
杨
bóshì
博士
dā
搭
bān
班
gǎo
搞
kēyán
科研
。
He teamed up with Dr Yang on a research project.