with obj.
1- coat or mark (something) messily or carelessly with a greasy or sticky substance（用油或黏性物质随便胡乱）涂抹（某物）：
his face was smeared with dirt.
他的脸上满是污秽。
1.1
- with obj. and adverbial spread (a greasy or sticky substance) over something（在某物上）涂（油脂或黏性物质）：
she smeared sunblock on her skin.
她往皮肤上涂防晒霜。
1.2
- figurative damage the reputation of (someone) by false accusations; slander〈喻〉诽谤, 诋毁：
someone was trying to smear her by faking letters.
有人通过伪造信件试图诋毁她的名誉。
1.3
- messily blur the outline of (something such as writing or paint); smudge弄污, 弄脏（字画等）：
her lipstick was smeared.
她的口红被弄模糊了。
1
- a mark or streak of a greasy or sticky substance（油性的, 黏性的）污迹, 污斑：
there was an oil smear on his jacket.
他夹克上有块油渍。
1.1
- figurative a false accusation intended to damage someone's reputation〈喻〉诽谤：
the popular press were indulging in unwarranted smears.
通俗报刊充斥着毫无根据的诽谤。
1.2
- a sample of material spread thinly on a microscope slide for examination, typically for medical diagnosis（显微镜）涂片：
the smears were stained for cryptosporidium.
显微镜的涂片为观察隐孢子虫已经着色了。
1.3
- short for SMEAR TEST.SMEAR TEST的简称。
2
- Climbing an insecure foothold【登山】不稳立足处。
派生词
smeary
adjectivesmearer
noun词源
Old English smierwan (verb), smeoru 'ointment, grease', of Germanic origin; related to German schmieren (verb), Schmer (noun).