He has tried to obstruct intellectual freedom.

他试图阻碍智力自由。

youdao

They were accused of attempting to obstruct justice.

他们被控企图妨碍司法公正。

《牛津词典》

Claire positioned herself so as not to obstruct David's line of sight.

克莱尔让自己就位以便不挡住戴维的视线。

《柯林斯英汉双解大词典》

She told judges they have two choices: either assign Karadzic a lawyer or let him continue to obstruct the proceedings.

VOA: standard.2009.10.26

Yet Russia has not given up its ambitions to obstruct its neighbor's path to NATO membership.

WSJ: Urmas Reinsalu: Georgian Democracy and Russian Meddling

And will Mr Trimble's Ulster Unionists engage in negotiations, or merely try to obstruct them?

ECONOMIST: Northern Ireland

But the bald fact remains that Khartoum instigated the killing and continues to obstruct the peacekeepers.

ECONOMIST: Peace in the south, war in the west and poverty amid riches