Terms for subject Idiomatic containing in front of

English	Russian
like waving a red flag in front of a bull	как красная тряпка для быка (AmE: – BrE has: like a red rag to a bull: Visa and MasterCards approach to pricing has been like waving a red flag in front of a bull to retail businesses. 'More)
spend one's time in front of the mirror	вертеться перед зеркалом (Можно использовать вариант "spend a lot of time..." VLZ_58)
step in front of a moving train	пожертвовать собой ради благого дела (chumichka)