They don't know what they're talking about and mangle scientific information.他们不知所云，把科学知识讲得错误百出。There is almost no phrase so simple that he cannot mangle it.几乎再简单的话他也表达不清。Mangle doesn't increase the damage...
Presuming on his seniority , he always imposes his ideas on [ upon ] others.他总是 倚老卖老,把他的想法强加于人.It would be presuming to camp in a person's yard without permission.不获允许就在别人的院子里露营是一种放肆的行为.Would I be presuming if I ask...