The phrase "that gained him" is correct and usable in written English.
You can use it when you're referring to something that a person has obtained or achieved. For example, "John's hard work and dedication to his job gained him a promotion."
Soon after that, he created "The Miracle of Greece," a photo-story that gained him an international reputation.
It was a positive and genuinely uniting and inclusive one that gained him admirers across the political spectrum.
From 1880 to 1897 Saint-Gaudens executed most of the well-known works that gained him his great reputation and many honours.
His piano teachers included the noted pianist and composer Muzio Clementi, under whom he developed the exceptional abilities that gained him a European reputation as a performer.
The double meaning that gained him his victory was "I'm going to chinnel my energy into coming up with a new pun".
As Ensign Pulver in "Mister Roberts" (1955), a performance that gained him an Oscar for best supporting actor, he was a callow but likable wheeler-dealer.
Wiese went on to buy supermarket chain Shoprite, the first in an audacious series of deals that have gained him a reputation as a serial risk-taker and a fortune that makes him South Africa's fifth richest man.
He felt he'd exhausted the means that had unlocked him as an abstract painter, and he was bored and disgusted with the skills that had gained him renown.
Alone at the start of "Pavement," the choreographer Kyle Abraham establishes the distinctive movement language that's gained him attention.
This songwriter leads no fewer than four bands -- Chappaquiddick Skyline, Scud Mountain Boys and Big Tobacco are the others -- but the Pernice Brothers is the one that has gained him the most recognition.
The songwriter leads no fewer than four bands -- Chappaquiddick Skyline, Scud Mountain Boys and Big Tobacco are the others -- but the Pernice Brothers is the one that has gained him the most recognition.
