I offer my seat to old, pregnant, or young (children)

planed (planned) for half a year [for the attack]. When they took the action, Fang Zhouzi was luck (lucky enough) to be able to run away without serious harm

the attack has become national and even world (international) news

Perhaps because all this has been planed (planned) too carefully

When the (defendant's) side realized that the (victim's) side

This sudden change must have not been planed (planned) ahead of time.

the powerless had no choice by lower (but lowering) their heads and