to be involved in something too difficult to handle
быть втянутым во что-то слишком трудное для выполнения (byt vtyanutym vo chtoto slishkom trudnoe dlya vypolneniya)
"He’s in over his head with this complex project."
"Он ввязался по уши в этот сложный проект." (on vvyazalsya po ushi v etot slozhnyy proekt)
an argument or verbal conflict
To take a risk to achieve something worthwhile.
a person one had a romantic relationship with in the past
to do someone’s job temporarily
the use of algorithms to automate trading in financial marke...
To wait patiently for the right opportunity.