同义词： thereon on it
on order that以便;详细翻译
hold on to that举行对那;举行
on account that因为
on purpose that基于……的目的
on action that如果
on conditional that在;在…条件下
on ground that根据
rely on it that指望
on suspiction that怀疑
on condit that如果
同义词：thereonon it