There's a complete lack of knowledge about obesity.對(duì)于肥胖癥的知識(shí)十分匱乏

lack of:缺乏

He was dismayed at his lack of understanding.

他對(duì)自已的無知感到沮喪。

The lack of air in the room make everyone sniffle.

屋子里空氣缺乏，使得每個(gè)人都頻頻吸氣。

常用短語:

have no lack of不缺乏

We have no lack of talented people.

我們不缺人才。

How did we end up in this situation and how do we fix it?我們?cè)撊绾谓Y(jié)束這一局面，該如何彌補(bǔ)

end up:結(jié)束；告終

If you continue to steal you'll end up in prison.

你要是繼續(xù)行竊終歸得進(jìn)監(jiān)獄。

a story that television has been drawn to over and over again because it's never gone away.電視節(jié)目不斷上演的故事因?yàn)樗冀K伴隨著我們

draw to:逼近, 接近

The performance is drawing to an end.

演出接近尾聲。

常用短語:

draw to a head達(dá)到頂點(diǎn)(醞釀成熟)

go away:離開

It made me sad to hear you have to go away.

聽到你非走不可，我覺得很傷心。