The government struggled to maintain law and order.

政府努力维持治安。

《牛津词典》

But, in the interim, we obviously have a duty to maintain law and order.

但是，在过渡时期我们显然有责任维持法律与秩序。

《柯林斯英汉双解大词典》

Security guard to maintain law and order.

维护法律和秩序安全卫士。

youdao

Suharto is no longer needed, but we are instructed to maintain law and order.

CNN: 'He Is the Problem'

More money will also be needed if a newly independent police force is to maintain law and order.

ECONOMIST: Will the army defend or defeat Indonesia��s new democracy?

And in any case, the net effect may be to undermine confidence in the government's ability to maintain law and order.

WSJ: The Urumqi Effect