to suddenly start talking about something unrelated
突然开始谈论无关的话题 (tūrán kāishǐ tánlùn wúguān de huàtí)
"He tends to go off on a tangent when discussing politics."
"他谈论政治时常常偏离话题。" (Tā tánlùn zhèngzhì shí chángcháng piānlí huàtí.)
to start working hard on something
to figure something out from the facts
to punish someone without legal authority
a small or trivial lie
to increase pressure or intensity
to do your share of the work or responsibility
