The boy was always surefooted before.

那孩子以前从没出过事。

He's as surefooted as a mountain goat.

他走得跟山羊一样稳健。

This requires quick and surefooted moves on soft sand under the hot sun.

这就需要球员在烈日下，在柔软的沙滩上快速而稳当地移动。

He is courageous, sober, and surefooted.

它勇敢、清醒、坚定。

She swung from limb to limb, or she raced through the mighty branches, surefooted, lithe, and fearless.

她从一个肢体摇摆到另一个肢体， 或者她在强大的树枝上奔跑， 脚踏实地，轻盈而无所畏惧。

CARL AZUZ: Boston Dynamics Atlas Robot which is classified as a humanoid robot because it looks awfully human-ish is getting more surefooted.

CARL AZUZ：波士顿动力学机器人被定义为仿人类机器人，因为它看上去非常的人性化，并没有那么浮夸。