strain (at) the leash

Translations
рваться с поводка
The new recruit was straining at the leash, ready to start his first project.
Новый сотрудник рвался с поводка, готовый начать свой первый проект.
Definitions
To show eagerness or impatience to begin or do something, often being held back or restrained from action, similar to how a dog pulls against its leash wanting to go forward.
Words
strain

verb
напрягаться
at

preposition
на
the

article or possessive pronoun
определённый артикль
leash

noun
поводок