HSK V5
Correct

无疑

/ wúyí / 
Strokes

Definition

no doubt/undoubtedly

Example

As an Adjective

undoubted; unquestionable

1
Zhège
这个
jìhuà
计划
wúyí
无疑
shì
是
xíngbutōng
行不通
de
的
  
。

This plan is without doubt infeasible. / Without a doubt, the plan is infeasible.

2
Tā
他
wúyí
无疑
yǒuzuì
有罪
  
。

There is no doubt/question that he is guilty. / He is unquestionably guilty.

3
Shēnxìn
深信
wúyí
无疑

firmly believe; be convinced/certain/sure

4
Quèzáo
确凿
wúyí
无疑

be well established and irrefutable