不规则四边形 bù guī zé sì biān xíng

DEFINITIONS

  1. irregular quadrilateral
  2. trapezium

CHARACTERS

不 bù
HSK 1
no, not; un-; negative prefix
规 guī
HSK 4
rules, regulations, customs, law
则 zé
HSK 4
rule, law, regulation; grades
四 sì
HSK 1
four
边 biān
HSK 2
edge, margin, side, border
形 xíng
HSK 5
form, shape, appearance