Correct

离题

/ lítí / 
Strokes

Definition

to digress/to stray from the subject

Example

As a Verb

digress (from the subject); stray/wander away from the point/subject; be off the subject/point

1
Tā
他
de
的
huà
话
lítí
离题
tài
太
yuǎn
远
  
。

His remarks are far from the subject/point.

2
Qǐng
请
bùyào
不要
lí
离
tí
题
  
。

Please keep to the point.

3
Dǎduàn
打断
lítí
离题
de
的
huà
话

cut short a digression