差不太大 chà bù tài dà

DEFINITIONS

  1. not much of a difference; not too big of a gap; implying a similarity or closeness in comparison

CHARACTERS

差 chà to differ; different, wrong; nearly, almost; an officer
不 bù no, not; un-; negative prefix
太 tài very, too, much; big; extreme
大 dà big, great, vast, large, high