Because of a desire to know or learn something.
Из-за желания узнать или изучить что-то. (Iz-za zhelaniya uznat' ili izuchit' chto-to)
"I asked him out of curiosity, not to interfere."
"Я спросил его из любопытства, а не для того, чтобы вмешиваться." (Ya sprosil ego iz lyubopytstva, a ne dlya togo, chtoby vmeshivatsya)
to be extremely worried or upset
to argue against an idea to test how strong it is
To do something faster to compensate for wasted time.
a very small amount compared to what is needed
A difficult task or challenge.
to begin an activity or journey