接觸不良 jiē chù bù liáng

DEFINITIONS

  1. loose or defective contact (elec.)

CHARACTERS

接 jiē
HSK 3
receive; continue; catch; connect
觸 chù touch; butt, ram, gore
不 bù
HSK 1
no, not; un-; negative prefix
良 liáng
HSK 5
good, virtuous, respectable