sly en Coreano
He has to visit them on the sly.
그는 그들을 은밀히 방문해야 한다.
He is a sly old fox.
그는 아주 교활하다
He looked sly and furtive.
그는 교활하고 음흉해 보였다.
He was looking at us on the sly.
그는 몰래 우릴 보고 있었다.
One day a sly fox fell down into a deep well.
어느 날 교활한 여우가 깊은 우물에 빠졌다.
She is sly as a fox.
그녀는 여우같이 교활하다
1. secretive: furtive, evasive, clandestine, elusive, insidious, secret, underhand
2. deceitful: deceptive, conniving, tricky, artful, insidious, guileful, shifty
3. shrewd: clever, sharp, intelligent, smart, calculating, astute, ingenious
4. faithless: traitorous, double-dealing, treacherous, dishonourable
5. shady: slick, smooth, slippery