行為

action / conduct / behavior / activity

row / line / commercial firm / line of business / profession / to rank (first, second etc) among one's siblings (by age) / (in data tables) row / (Tw) column

to walk / to go / to travel / a visit / temporary / makeshift / current / in circulation / to do / to perform / capable / competent / effective / all right / OK! / will do / behavior / conduct / Taiwan pr. [xing4] for the behavior-conduct sense

as (in the capacity of) / to take sth as / to act as / to serve as / to behave as / to become / to be / to do / by (in the passive voice)

because of / for / to

sexual behavior

altruistic behavior

antisocial behavior

business activity / commercial activity

premarital sex

sexual obsession

piracy

criminal activity

behaviorism

behavioral data (marketing)

code of conduct / standard of conduct

foraging

non-state actor

tort; infringement (of sb's rights)

tort / infringement (of sb's rights)