fall apart in (someone's) hands

Translations
развалиться в (чьих-то) руках
The project fell apart in my hands due to lack of support.
Проект развалился в моих руках из-за отсутствия поддержки.
Definitions
To physically break, disintegrate, or come undone while being held or handled by someone; can also be used figuratively to describe something (such as a plan or situation) that fails or collapses while someone is responsible for it.
Words
hand

noun
рука
fall

verb
падать
fall apart

verb
разваливаться
apart

adverb
врозь