宣布: to declare, to announce, to proclaim...
卫生: health, hygiene, sanitation...
讲课: teach, lecture...
大不了: at worst, if worst comes to worst, serious, alarming...
有望: hopeful, promising...
发呆: to stare blankly, to be stunned, to be lost in thought...
沾: infected by, moisten, receive favors, moisten...
反倒: but on the contrary, but expectedly...
因素: element, factor...
按摩: massage, to massage...
