They have tightened security along the border.

他们加强了边境的安全工作。

youdao

That's probably due to newly tightened security.

那或许是因为最近安检比较严。

youdao

Security has also been tightened at Lucknow's Amausi airport.

勒克瑙的Amausi机场的安保也加强了。

youdao

Security has also been tightened at Lucknow's Amausi airport.

勒克瑙的Amausi机场的安保也加强了。

youdao