crusty

Lake Manyara was ringed by crusty salt deposits.

马尼亚拉湖被似硬壳的盐沉淀物环绕。

He's a crusty old gentleman who feeds stray dogs and cats.

他是令人生畏的老绅士，常喂食离群的狗和猫。

"Well, Charlie, don't you look dashing!" Renee said in a tone that was almost shocked. That might have explained the crustiness of Charlie's answer.

“喔，查理，你上去神气极！”蕾内语调中带着丝惊讶。这令查理的回答变得生硬起来。

Once I broke through my initial crustiness and got into the habit, it even became a game: Can I make this grump open up?

旦打破自己原来粗鲁的举止，养成这好习惯，甚至把它变成游戏：我还能让脾气再发作吗？