yī gēn shéng shàng de mà zha
see 一條繩上的螞蚱|一条绳上的蚂蚱[yi1 tiao2 sheng2 shang4 de5 ma4 zha5]
yī tiáo shéng shàng de mà zha
lit. like locusts tied to one rope (idiom)
fig. in the same boat
in it together for better or worse
to sink or swim together
mà zha
(dialect) locust
grasshopper