to be extremely frustrated and have no patience left
быть чрезвычайно разочарованным и больше не иметь терпения (byt' chrezvychajno razocharovannym i bol'she ne imet' terpenija)
"After dealing with delays all day, she was at the end of her rope."
"После того как она весь день сталкивалась с задержками, она была на грани нервного срыва." (posle togo kak ona ves' den' stalkivalas' s zaderzhkami, ona byla na grani nervnogo sryva)
to have confidence in someone or something
Emotional pain will lessen with time.
strong belief can achieve great things
Strong people keep working hard even in difficulties.
to repair a relationship
something developing into something great