The phrase "be seriously committed to" is correct and can be used in written English.
You can use it when talking about having a strong commitment to a particular cause, action, or endeavor. For example, "He was seriously committed to making a difference in his community and spent every day volunteering his time at the local food bank."
"He goes along," Mr. Tsvangirai said, "pretends to be a gentleman, pretends to be accommodative, pretends to be seriously committed to the law, and turns around, sending people, beating up people, using violence to coerce and to literally defend power for the sake of defending power".
He is seriously committed to the art of "positive parenting".
It signals that the authorities are seriously committed to making the future different from the past.
Show that you are seriously committed to continuously improving your knowledge, skills and ways of working.
Australia is seriously committed to improving the conditions of its indigenous people.
If China is seriously committed to ending the violence in Darfur, it must first stop all arms transfers to Sudan.
For those governments that are seriously committed to championing human rights in Sri Lanka, the struggle has just begun.
"The president has made it clear to his economic team that he is seriously committed to tackling our fiscal problems," Mr. Orszag wrote.
But some within the agency and on its board of commissioners said privately that they did not believe the city was seriously committed to such a takeover.
Given this problem, there is a logical and seemingly simple move available to the Fed: just make people believe that it is seriously committed to increasing the rate of inflation.
I have no doubt that the company is seriously committed to the environment; as Apple notes on its Web site, every one of its products meets or exceeds Energy Star standards.
