Correct

责无旁贷

/ zé wú páng dài / 
Strokes

Definition

to be duty bound/to be one's unshirkable responsibility

Example

Definition

be one's unshirkable responsibility; be duty-bound; be solely answerable for

1
Zhè
这
dāngrán
当然
shì
是
zéwúpángdài
责无旁贷
de
的
  
。

It is certainly an inescapable/unshirkable duty.