不分軒輊

不分轩轾
bùfēnxuānzhì
  1. well-matched
  2. equally matched

CEDICT

well-matched; equally matched

Wiktionary

相比較的結果，分不出高下。

重編國語辭典

Entry Composition

1 不分 bùfēn
  1. not to distinguish; to make no distinction
  2. (LGBT slang) versatile (open to either penetrative or receptive role)
2 軒輊 xuānzhì
  1. (literary, figurative) difference in height, rank, excellence, etc.
  2. (literary, historical) high front and the low rear of a chariot
  3. difference in height, rank, excellence, etc.
  4. high front and the low rear of a chariot

Related entries

仵 wǔ
  1. equal
  2. well-matched
  3. to violate
不分高下 bùfēngāoxià
  1. equally matched
  2. not much to distinguish who is stronger
不相上下 bùxiāngshàngxià
  1. equally matched
  2. about the same