彼はタフだから少しのことではへこたれない。
He won't be easily discouraged, because he's a tough guy.
見た目には優しそうだけど、彼って皆から外柔内剛の結構なタフネゴシエータと言われているよ。
He seems like a softy on the surface. But at the core he's got an iron will that makes him an extremely tough negotiator.
タフだなあ。
You're tough.
