舌 tongue

A thousand mouths speak with one tongue, and they all say:"Led ZEP'S TOO old-fashioned. Let's listen to something more cool, like Oasis." Okay, maybe not a thousand. Maybe, like three.

no hot food for me! ★☆☆☆☆ KUNKUN
猫 (cat) + 舌 (tongue) = 猫舌 (no hot food for me!)

someone who doesn't like hot (like oven-hot, not spicy) food.

sharp-tongued ★☆☆☆☆
毒 (poison/ addict) + 舌 (tongue) = 毒舌 (sharp-tongued)

'poison tongue' - in English, we'd say a sharp tongue