movement of agent (chase after someone or something)
あとにする
後をつけろ。
Shadow him.
あとから追いかける
to take over a job from another person
to go backward―turn back―(退歩するの意味なら)―move backwards―retrograde―retrogress―(病人なら)―have a relapse
the action of succeeding
to follow anything
a time that is just after (something)
the act of making a judgement in hindsight