to attend or show up to support an event or cause
参加或出席以支持活动或事业 (cānjiā huò chūxí yǐ zhīchí huódòng huò shìyè)
"Many locals turned up for the community clean-up drive."
"许多当地人参加了社区清理活动。" (xǔduō dāngdì rén cānjiāle shèqū qīnglǐ huódòng.)
to get someone involved in something unwillingly
to request information or clarification about something
to improve or reach a higher standard or stage
to go back and forth between two opinions or choices
to reduce the amount of pollution produced
to arrive later than expected
