"trusted hands" is correct and usable in written English.
You can use it when referring to a person's ability to handle something sensitive or complex, for example: "The department chose Sally to lead the project because she had the experience and trusted hands needed to get the job done."
I escaped a complete tear-down of the motor only through an operation that involved the use of a stethoscope, another pair of trusted hands and the sort of concentration we associate with a bomb squad.
In the fall, Obama and Holder announced a new project aimed at retaking state legislatures so that Democrats can reverse the effects of Republican gerrymandering — and the former President feels an obligation to place the Party, which he'd expected to turn over to Hillary Clinton, in trusted hands.
Beijing is also trying to pull off a delicate balancing act: imposing the disciplines of the market on management while keeping policy control of its national and local champions firmly in trusted hands.
Back to culinary pleasures -- I was left at the trusted hands of Chef Martin Berasategui (guest chef of the day) in Manhattan's Bar Basque.
The generous gift in that moment of trust is the patience to let the work unfold as it needs to in trusted hands.
All of the line cooks, servers, runners and sous chefs on a busy Saturday night: it's these trusted hands that have to recreate your vision and perform it to a waiting crowd.
He has been the associate publisher of Twelve and a trusted hand at the imprint.
Meyer S. Frucher, the trusted hand Gov. David A. Paterson persuaded last year to develop a plan to save OTB, spent hundreds of thousands of dollars on consultants.
Europeans "see him as a trusted hand, knowledgeable," said Philip Gordon, a senior fellow at the Brookings Institution who has advised Democratic candidate Barack Obama on foreign policy.
Amid a scathing risk management review by the Federal Reserve, Mr. Pandit installed Brian R. Leach, a trusted hand, as the bank's chief risk officer and overhauled the organizational chart.
After betting the house on film-makers such as Whedon and Black, Feige turned to TV's Alan Taylor, a tried and trusted hand on Game of Thrones, as Jenkins' replacement on Thor: The Dark World.
