(1) 事实(something accepted to be real or true)[C]：an established/indisputable～既定事实/无可争辩的事实;face/stick to～s面对/尊重事实;It is a/No one can deny the～that smoking is hazardous to your health. 吸烟对人体有害，这是事实/谁也无法否认这个事实。I know it for a～. 我知道这是确定无疑的。F～s speak louder than eloquence. (prov)事实胜于雄辩。〖同〗reality，actuality，truth;〖反〗 supposition，fancy，opinion，falsehood，lie，unreality;

(2) 真相(情)，事件 (something that is believed to be true or to have happened) [C]：check the～s 核对情况;give/tell sb the～s 将实情告诉某人;state the～that阐明……的真相;The～of the matter is that I do not know the answer myself. 实际上，连我自己都不知道答案。We are worried over the～that he is in trouble. 他现在有麻烦，我们对此感到忧虑。〖同〗 happening，occurrence，event，act，circumstance，incident;

(3) 实际情况，现实(reality;truth)[U]：distinguish/tell the difference between～and fiction 辨别/区分实际情况和虚构的东西;be based/ be founded on～s 以事实为根据;〖同〗 reality，truth;〖反〗 invention;

in (actual) fact实际上，事实上：In～I don't know what to do about it. 说实在的，我不知道该怎么办才好。

→′factual adj 事(真)实的，实际的;′factually adv 实在(际)地;′factualism n 实事求是的作风;͵factua′listic adj注重实际的;′factualist n注重实际的人;͵factu′ality n实在性