dissemble

动词 dissemble:

1. make believe with the intent to deceive
   同义词：feign, sham, pretend, affect
2. hide under a false appearance
   同义词：cloak, mask
3. behave unnaturally or affectedly
   同义词：pretend, act

dis.sem.ble

v.（动词）
dis.sem.bled,dis.sem.bling,dis.sem.bles
v.tr.（及物动词）
To disguise or conceal behind a false appearance.See Synonyms at disguise
掩盖；隐藏：掩饰或隐藏在假象后面参见 disguise
To make a false show of; feign.
假装，伪装：做出…的假象；佯做
v.intr.（不及物动词）
To disguise or conceal one`s real nature, motives, or feelings behind a false appearance.
掩饰感情：用假象掩盖真实的性格、动机或感情

来源：
Middle English dissemblen
中古英语 dissemblen
from Old French dessembler [to be different]
源自 古法语 dessembler [不同的]
des- [dis-]
des- [表示.不，否定.等意]
sembler [to appear, seem] * see semblable
sembler [看上去，好象] *参见 semblable

【引伸】
dissem.blance
n.（名词）
dissem.bler
n.（名词）
dissem.blingly
adv.（副词）