sly

clever in a way that is not honest or fair; deceitful and dishonest

astuto, engañoso, tramposo

• [predicative] be sly

Collocations sly comments · sly tricks

• He made some very sly remarks about her.

  Hizo algunos comentarios muy astutos sobre ella.

shy and quiet, especially in a way that is not natural or sincere; pretending to be shy but actually being confident

tímido pero fingiendo, apocado pero falso

• [predicative] be sly

Collocations sly smile · sly glance

• She was being a bit sly, pretending to be shy.

  Ella estaba fingiendo ser tímida.