开始负责，开始掌管
to start to officially control an organization or company
She was the first person from outside the family to take the helm at the privately held company.
The business will be in safe hands when Evans takes the helm next month.
When she took the helm last year, stocks rose dramatically.
He took the helm of the archdiocese in 2003.
They were pleased to see a former police officer taking the helm of the Department of Homeland Security.
See also: helm