proverbially什么意思解释？

proverbially的音标：proverbially的英式发音音标为：[prə'vɜ:bɪəlɪ]proverbially的美式发音音标为：[prə'vɜbɪrlɪ]...

It is proverbially easier to destroy than to construct.谁都知道破坏容易建设难.Minute fragments of shoot apices are proverbially difficult to culture.微小的茎尖切段通常是难以培养的.Why , medicine is proverbially nasty.药当然难吃啰....