smear
/smɪə(r); smɪr/ v
1 [Tn.pr] ~ sth on/over sth/sb; ~ sth/sb with sth spread a greasy or sticky substance, eg paint, on sth/sb 将油脂或黏性物质（如油漆）涂於某物[某人]
smear oil on the machinery 把油涂在机器上
smearing mud all over the wall 在墙上涂满泥浆
We smeared cream on our faces/smeared our faceswith cream. 我们在脸上搽雪花膏.
2 [Tn]
(a) make (sth) dirty or greasy; smudge 弄脏（某物）; 使 某物）弄上油污
The window was all smeared after the rain. 下过雨後窗户都脏了.
Don't smear the lens; I've just polished it. 别把镜头弄脏了, 我刚刚擦过.
(b) (fig 比喻) damage (sb or sb's reputation), eg by suggesting they have acted immorally 玷污（某人或某人的名誉）（如说某人行为不端）
In politics you expect to get smeared by your opponents. 在政治事务中遭对手诽谤是常有的事.
3 [Tn] blur (a drawing, an outline, etc) eg by rubbing it 将（图画、 轮廓等）弄模糊（如经摩擦）
smear the print with one's finger 手指把印刷品弄得模糊不清. smear, n
1 mark made by smearing 污点; 污迹
a smear of paint 油漆的污迹
smears of blood on the wall墙上的血迹.
2 ~ (on sb/sth) suggestion or accusationthat damages sb's reputation 污蔑; 诽谤
This accusationof bribery is a vile smear on an honourable citizen. 这项有关贿赂的指控是对一个正直公民的无耻诽谤.
[attrib 作定语]
a smear campaign 一系列有预谋的诽谤活动
smear tactics 污蔑的伎俩.
3 specimen of a substance spread on a slide to be examined under a microscope 涂片（涂在显微镜载片上供检查的物质标本）
a cervical smear, ie taken from the cervix 子宫颈涂片
[attrib 作定语]
a smear test 涂片检查.