The phrase "diligent training" is correct and usable in written English.
You can use it to describe a training process that is thorough and requires a lot of effort and attention.
Example: "The athletes achieved remarkable results due to their diligent training regimen."
Alternatives: "intensive training" or "rigorous training".
He was benched and scorned at Real Madrid after announcing plans to join the Los Angeles Galaxy in 2007, yet he kept up his diligent training and returned to help the team win the Spanish title.
"I'd love to stand here and tell you that what I've accomplished has come from my own diligent training, self-sacrifice and abject disinterest in any kind of physical activity," said MacLean, stuffing his face with a fistful of Peanut Butter M&Ms.
Some birds, for instance Quaker Parrots, are notoriously territorial and require much more diligent training than other birds.
"He's been diligent in his training," Seagrave said.
Therefore, VL deployment must be accompanied by diligent and continuous training, especially in light of the rotating house staff.
If what we are to take away from this incident is that racial profiling is appalling, then we must be diligent in ensuring that training public servants to treat black people more humanely is a very different task than training public servants to treat black people more humanely because they might be Harvard professors.
"The simultaneous fires we had last night shows us that we do need to be diligent in maintaining good training".
That did not exclude diligent preparation - Wolves' training facilities, an overnight hotel stay, watching Cardiff in the flesh and on video.
Diligent passenger profiling and training a dependable staff of smart, motivated employees was the key to El Al's vaunted success in security, Mr. Aviv added.
At least four of my operations have been down to the drink.' His training routine was diligent, probably excessive.
Attracting those visitors with a diligent outreach program, Mr. Rourke trains students at the college to guide a 90-minute tour, enabling them to earn $5 an hour and also to feel a part of the hall's tradition.
