怪异: monstrous, strange, strange phenomenon...
段: paragraph, section, segment, stage (of a process), classifier for stories, periods of time, lengths of thread etc...
开业: to open a business, to open a practice, open (for business)...
告示: announcement...
关: (surname), mountain pass, to close, to shut, to turn off, to concern, to involve...
紧缩: (economics) to reduce, to curtail, to cut back, to tighten, austerity, tightening, crunch...
组装: to assemble and install...
日后: sometime, someday (in the future)...
污蔑: to slander, to smear, to tarnish...
公约: convention (i.e. international agreement)...