[Yes. He is not just toning down his cursing, he is outright going for minced oaths today. It's to annoy Akechi even more by treating them as children. Hibiki is not being deliberately teased because Hibiki is has, in Qrow's opinion, taken a great attitude to this.
Qrow is grinning.]
Looks like we're gonna have to watch our step here, kids. I'd hate to watch either of you catch on fire and melt.
[If this makes you think that Qrow would act out a fiery death on being knocked into lava, then you're right. He is here to do what he does best: ruin everything by being an annoying bird.]
the floor is lava
[Yes. He is not just toning down his cursing, he is outright going for minced oaths today. It's to annoy Akechi even more by treating them as children. Hibiki is not being deliberately teased because Hibiki is has, in Qrow's opinion, taken a great attitude to this.
Qrow is grinning.]
Looks like we're gonna have to watch our step here, kids. I'd hate to watch either of you catch on fire and melt.
[If this makes you think that Qrow would act out a fiery death on being knocked into lava, then you're right. He is here to do what he does best: ruin everything by being an annoying bird.]