遮(さえぎ)るto interrupt, to obstruct (e.g. a view, someone's way), to block (e.g. light, wind), to intercept

木(き)の葉(は)が太陽(たいよう)の光(ひかり)を遮(さえぎ)っています。

The leaves of the tree are blocking the sunlight. {to interrupt, to obstruct (e.g. a view, someone's way), to block (e.g. light, wind), to intercept}

他人(たにん)の発言(はつげん)を遮(さえぎ)るのは失礼(しつれい)な行動(こうどう)である。

It is rude to interrupt other people's remarks. {to interrupt, to obstruct (e.g. a view, someone's way), to block (e.g. light, wind), to intercept}

直射(ちょくしゃ)日光(にっこう)を遮(さえぎ)るために遮光(しゃこう)カーテンを購入(こうにゅう)しました。

I purchased blackout curtains to block direct sunlight. {to interrupt, to obstruct (e.g. a view, someone's way), to block (e.g. light, wind), to intercept}

祖父(そふ)：「霧(きり)が視界(しかい)を遮(さえぎ)っているあいだは車(くるま)の運転(うんてん)をするべからず。」

Grandfather: "One should not drive while the fog is obstructing the view." {to interrupt, to obstruct (e.g. a view, someone's way), to block (e.g. light, wind), to intercept}

先生(せんせい)の発言(はつげん)を遮(さえぎ)って質問(しつもん)をしたとあって、先生(せんせい)に無礼(ぶれい)だと怒(おこ)られてしまった。

I was scolded by the teacher for being rude, as I interrupted the teacher's remarks to ask a question. {to interrupt, to obstruct (e.g. a view, someone's way), to block (e.g. light, wind), to intercept}