She told the cooks to stop killing those animals, to let them loose.

她告诉厨子们，不要再杀那些动物了，把它们放生。

youdao

Hence, if they just want to let loose and do "nothing" with their friends, let them.

因此，如果他们仅仅是想要放松一下自己，和朋友在一起“无所事事”，就让他去吧！

youdao

According to contemporary histories, Roman legions either let pigs loose among elephants or suspended them from walls of a besieged city.

根据当代历史，古罗马军团要么把猪放进大象之中，要么把它们吊在被围困之城的墙上。

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U.S. officials have decided that cyber-weapons are akin to nuclear bombs, so destructive that only the American president can let them loose.

FORBES: President Obama's New Preemptive Strike Powers Target Cyber-Attackers