大差不差
dà​chà​bù​chà

roughly the same

  1. 大 dà adverb
    approximate
    roughly; approximately; in general
  2. 差 chā noun
    difference
    difference; discrepancy; the result of a subtraction in mathematics
  3. 不 bù adverb
    not
    Negative adverb used before verbs, adjectives, and other adverbs to indicate negation; also used as a bound-form prefix to form terms with opposite meanings
  4. 差 chā noun
    difference
    difference; discrepancy; the result of a subtraction in mathematics