to keep working on something until it is completed
продолжать работать над чем-то до тех пор, пока это не будет завершено (prodolzhat' rabotat' nad chem-to do tekh por, poka eto ne budet zaversheno)
"We push through on the prototype even when the tests fail."
"Мы проталкиваемся через прототип даже когда тесты не проходят." (My **push through on** prototip dazhe kogda testy ne prokhodyat.)
to expand your business activities into new countries
to manage or handle a problem, situation, or customer
to postpone; to extend something beyond its time
to allow positive thoughts and emotions to enter your mind
to feel capable of doing something
to make yourself feel less worried or anxious