Use "firm as a rock" in a sentence
1. Jasmine Admiredly said: "Strong is the Characteristic Trait that Rock Type is proud of." Brock, who is as firm as a rock,'Strong' Characteristic Trait is his best interpretation
1. Jasmine Admiredly said: "Strong is the Characteristic Trait that Rock Type is proud of." Brock, who is as firm as a rock,'Strong' Characteristic Trait is his best interpretation