竭尽造谣诬蔑之能事: stop at nothing in spreading lies and slanders
据说: it is said; they say; allegedly 短语和例子据说他是一个小气鬼。 they say [it is said that] he's a miser. 这次车祸据说是由于疏忽造成的。 the traffic accident was allegedly due to negligence. 据说情况如此。 this is allegedly the