yǒu​nǎi​biàn​shì​niáng

to follow whoever feeds you

Senses

有奶便是娘 yǒu​nǎi​biàn​shì​niáng to follow whoever feeds you

literally meaning "whoever provides milk is your mother"; used as a metaphor for someone who lacks principles and puts their loyalty wherever they can find personal gain or advantage

References

synonym 有奶便是娘/有奶便是娘 见利忘义/見利忘義