robust

We need to design a robust computer network that can handle thousands of users simultaneously.

(Chinese) 我们需要设计一个强大的计算机网络，能够同时处理数千个用户的请求。

Despite being nearly ninety years old, the grandfather was still robust enough to hike every morning.

(Chinese) 尽管快九十岁了，祖父的身体依然强健，每天早上都能去徒步。