かたい
The meat is tough.
肉はかたいです
The meat at this restaurant is tough.
この店の肉はかたいです
The meat at this restaurant is tougher than what I had yesterday.
この店の肉は昨日食べたものよりかたいです
The meat at this restaurant is far tougher than what I had yesterday.
この店の肉は昨日食べたものよりあまりにかたいです
The meat at this restaurant is far tougher than what I had yesterday because it was cooked too long.
この店の肉は昨日食べたものよりあまりに長くかたいです