to become involved in order to help or stop something
介入以帮助或阻止某事 (jiè rù yǐ bāng zhù huò zǔ zhǐ mǒu shì)
"The manager will step in if the discussion gets heated."
"如果讨论变得激烈，经理将介入。" (rú guǒ tǎo lùn biàn dé jī liè, jīng lǐ jiāng jiè rù.)
to spend time with friends
to become very anxious or nervous due to pressure
to plan something in detail
Good opportunities are rare and should be seized when they a...
to discuss a problem thoroughly to find a solution
to stop yourself from saying something you want to say
