the straw that broke the camel's back

Translations
последняя капля, переполнившая чашу терпения
Losing that contract was the straw that broke the camel's back for the company.
Потеря этого контракта стала последней каплей, переполнившей чашу терпения для компании.
Definitions
A minor or trivial action that causes a large and often sudden reaction, typically because it is the last in a series of events that have built up to a breaking point.
Words
the

article or possessive pronoun
этот
straw

noun
соломинка
that

pronoun
которая
broke

verb
сломала
the

article or possessive pronoun
этот
camel

noun
верблюд
is

functional word
есть
back

noun
спина