Dishonest or untrustworthy.
malhonnête ou peu fiable (malhonnete ou peu fiable)
"Everyone knows that politician is crooked as a snake."
"tout le monde sait que ce politicien est malhonnête comme un serpent" (tout le monde sait que ce politicien est **crooked as a snake**)
in a hostile or dangerous situation
to do someone’s job temporarily
to assert authority and dictate how things should be done
tired or annoyed with something
to deviate from a prepared plan or speech
to remember something important