Correct

无缘无故

/ wúyuán wúgù /
Strokes

Definition

no cause, no reason (idiom); completely uncalled for

Example

Definition

without rhyme or reason; for no reason at all

1
yuán
无缘无故
de
yōu
忧虑
  
/
kǒng
恐惧
  
/
huái
怀疑

groundless worry/fear/suspicion

2
yuán
无缘无故
de
píng
批评

uncalled-for criticism

3
yuán
无缘无故
发脾气

fly into a temper/rage over nothing

4
yuán
无缘无故
bèi
kāichú
开除

be dismissed without good reason

Related

无缘无故