Correct

自圆其说

/ zì yuán qí shuō /
Strokes

Definition

to make a story or theory consistent/to give a plausible explanation/to plug the holes in one's story

Example

Definition

make one's statement valid; justify oneself; be self-justifiable

1
de
lùndiǎn
论点
xiāngmáodùn
自相矛盾
  
,
néng
yuánshuō
自圆其说
  

Your argument is self-contradictory and internally inconsistent.

2
lùn
议论
xiě
wénzhāng
文章
zhìshǎo
至少
yào
yuánshuō
自圆其说
  

When writing articles to express our ideas, we must at least offer a tenable argument.

3
néng
yuánshuō
自圆其说

cannot offer a tenable argument; cannot justify oneself