The accused's right to silence was a vital counterbalance to the powers of the police.

被告人的沉默权对警方的权力是一种至关重要的抗衡。

《牛津词典》

The powers of the police must be clearly defined.

警察的职权必须明确界定。

《牛津词典》

It is expected to approve proposals to send patrol boats manned by armed police and customs officers with powers to search and turn back ships suspected of breaking the sanctions.

预计中国将批准派遣载有武装警察和海关官员的巡逻艇，有权搜查并遣返涉嫌违反制裁的船只。

youdao

Indonesia is a relatively new democracy and the proposal to expand police powers reminds some human rights groups of the country's authoritarian past.

VOA: standard.2009.09.10

Jaser's lawyer said on Tuesday that his client questioned the timing of the arrests, pointing to ongoing debates in the Canadian Parliament over a new anti-terrorism law that would expand the powers of police and intelligence agencies.

NPR: Suspect In Canada Terror Plot Denies Charges

Extend powers of port police beyond the current one-mile radius to allow them to deal better with suspects.

BBC: Bill-by-bill: Guide to MPs' private members' bills

All courts rely on the police powers of governments to enforce the law, and police regularly make calculations about how much effort they can expend to catch specific suspects.

ECONOMIST: A criminal court for the world