I closed my eyes at his command.

我听从他的命令闭上了眼睛。

《柯林斯英汉双解大词典》

Finally, the good reader has at his command several special skills which he can apply to reading problems as they occur.

最后，优秀的读者掌握了几种特殊的技巧，当出现阅读问题时，他可以运用这些技巧。

youdao

At the Lord 's command the Israelites set out, and at his command they encamped.

以色列人遵耶和华的吩咐起行；也遵耶和华的吩咐安营。

youdao

The iPhone was now at his command.

NEWYORKER: Machine Politics

She braked quickly at his command.

NEWYORKER: The Valetudinarian

General Petraeus also needs a replacement at Central Command (his nominal superior) who won't undermine his efforts.

WSJ: The Petraeus Hail Mary