hurtadillas
a hurtadillas
surreptitiously
by stealth
stealthily
furtively
on the sly
secretly
by the back door
through the back door
List prices were not in practice always maintained, for many booksellers would surreptitiously give a discount rather than lose a sale.
He is a systematic 'sweater' who sucks wealth from toiling crowds by cunning and by stealth.
It is contended that adoption policies have encouraged nondisclosure of information by gay men & lesbians, & surrogacy arrangements are often handled stealthily.
Seditious books continued to appear, nevertheless, both from secret presses in England moving furtively from hideout to hideout.
True, you may not see many boys and girls openly holding hands or kissing but many affairs are conducted on the sly.
Have you ever been jealous of a girl's dance moves you've seen in a club and secretly wished you could dance just like her?.
Schools are expelling thousands of children 'by the back door' to ensure they do not appear in official statistics, it has been disclosed.
Government bows to pressure from business to allow bribery through the back door.
asomarse a hurtadillas
peep in
No one was about, so she ventured to peep in.
entrar a hurtadillas
steal into
I could conceivably steal into the library in the middle of the night and change it all around, if I wanted to.
hacer Algo a hurtadillas
sneak
With a no fine policy there'll no longer be a need for patrons to sneak books back on the shelves after they're due and then pretend they were there all the time = Sin una política de sanciones los usuarios ya no tendrán la necesidad de devolver los libros a los estantes sin ser vistos después de haber vencido su préstamo y luego fingir que estaban allí desde hace tiempo.
mirada a hurtadillas
sneak peek
This is a 'sneak peek' at new products that systems vendors will have on exhibit at the conference = Este es un "avance" de los nuevos productos que los vendedores de sistemas expondrán en el congreso.
mirar a hurtadillas
peep
While peeping is an offense, it falls under 'disorderly conduct,' and therefore the possible punishments are very limited.
salir a hurtadillas
steal away
He had merely stolen away as inconspicuously as possible.