昔日: former days, in the past...
一道: together...
于是: thereupon, as a result, consequently, thus, hence...
大楼: building (a relatively large, multi-storey one)...
包庇: to shield, to harbor, to cover up...
亲身: personal, oneself...
摆: to arrange, to exhibit, to move to and fro, a pendulum...
全力: with all one's strength, full strength, all-out (effort), fully (support)...
趋于: to tend towards...
而已: that's all, nothing more...