The phrase "added conviction" is correct and usable in written English.
It can be used when describing a situation where someone expresses their beliefs or opinions with increased certainty or confidence.
Example: "Her speech was powerful, and she delivered it with added conviction that resonated with the audience."
Alternatives: "increased confidence" or "greater assurance".
As with a number of his policies, it is identical to the formal stance of his predecessor, John Major, though with the added conviction that arises from a huge parliamentary majority.
It was Sharon's added conviction, acquired honestly from what roiled Palestine under the British Mandate, during the nineteen-thirties and forties, that the Jews' new military forces and agricultural settlements had been handed to his generation as a sacred trust.
That the Czechs can produce a Hollywood-caliber action movie like "Dark Blue World" on a shoestring only gives them added conviction that they can find the necessary money.
The data added conviction to a sell-off that began late Wednesday after the Federal Reserve issued its latest somber outlook on the economy.
It added convictions held by police will be revealed by the enhanced check, but that this is "subject to filtering arrangements".
"To 'de-Schwartz' means to lose one's compassion, and to 'Schwartz it' means to add conviction and compassion to a job".
His accounts of battles are vivid enough, but exist mainly to add conviction to his central proposition.His real interest is the sequence of decisions by which America provoked China's intervention and missed chances to end the fighting.
Blacks, he added with conviction, commit the overwhelming majority of crimes in Cuba -- a statement impossible to assess in a country that seldom publishes crime statistics.
Brooklyn prosecutors added a conviction last week to the rap sheet of a 30-year-old man with a street name and a criminal record dating back to his teenage years.
His "truth" is that no Muslims took part in the attacks "because the Koran forbids suicide". To his original claim that the Pentagon was bombed from the inside, he has now added his conviction that the building was struck by an air-to-ground missile fired by the United States Air Force.
Two weeks ago, the Thai criminal court found him guilty of money laundering and added a conviction of 103 years to his 15 month remand (he'll be serving sentences concurrently, however, so he'll spend a total of 20 years inside).
