把 風 bǎ fēng : keep watch (during a clandestine activity); be on the lookout

活 動 huó dòng : activity; exercise; behavior

經 營 jīng yíng : engage in (a business activity, etc.); run; operate

商 業 行 為 shāng yè xíng wéi : business activity; commercial activity

生 活 shēng huó : life; activity

行 為 xíng wéi : action; conduct; behavior; activity

性 行 xìng xíng : sexual activity

作 用 zuò yòng : action; activity; actions; acts; effect; to play a role