Dishonest or untrustworthy.
нечестный или ненадежный (nechestnyy ili nenadezhnyy)
"Everyone knows that politician is crooked as a snake."
"все знают, что этот политик нечестен как змея." (vse znayut, chto etot politik **crooked as a snake**.)
to have a good relationship with someone
people will always have hope, no matter the situation
make the best out of a bad situation
to have the opposite result of what was intended
to reveal one’s real character or intentions
to work very hard without rest
