Fastnesses
n. 牢固( fastness的复数形式 ); 固定; 要塞; 堡垒
🗣️ 情景例句
Just because the other kids have motor scooters is no reason for you to stop riding your bike to school.
只是因为其他的孩子都有电单车上学，不足以成为你不骑车上学的理由。
I mean it. I'm serious. I'm no kidding!
我是认真的。
Modern readers would find such naive solution totally unacceptable.
现代读者会觉得这种天真的结局完全无法接受。