Adjective:

1. (of fabrics) having faces on both sides;

   "damask is a double-faced fabric"
   

2. marked by deliberate deceptiveness especially by pretending one set of feelings and acting under the influence of another;

   "she was a deceitful scheming little thing"
   "a double-dealing double agent"
   "a double-faced infernal traitor and schemer"
   

deceitfuladj.欺诈的；欺骗的

two-facedadj.两面的；两面派的

duplicitousadj.搞两面派的；奸诈的；双重的

double-dealingadj.两面派的；口是心非的；欺骗的n.口是心非；欺骗；背信弃义

insincereadj.不真诚的；虚伪的

dishonestadj.不诚实的

falseadj.假的；人造的；不真实的；错误的；虚伪的adv.欺骗地

double-crossing双杂交

treacherousadj.背信弃义的；背叛的；不可靠的；危险的

double-tonguedadj.舌裂的；欺骗的

janus-facedadj.有双面孔的；两面派的

ambidextrousadj.双手都灵巧的；熟练的

1. Double frosted slides are sandblasted on one end of both sides.
   双磨砂面在双面的一端经过喷砂处理。