limit 
英 [ˈlɪmɪt]  美 [ˈlɪmɪt] 
n. 限制；限量，限度；界线

v. 限制；限定

例句：
Firefighters are being stretched to the limit as fire sweeps through the drought-stricken state. 

火势在这个遭受旱灾的州里迅速蔓延，消防队员疲于应对，接近极限。

Her love for him was being tested to its limits. 

她对他的爱经受着极其严峻的考验。

She has to work within the limits of a fairly tight budget. 

她不得不在相当紧张的预算范围内精打细算。

There was a limit on what we could buy. 

我们能买多少东西有一个限额。

If police breathalyse me and find I am over the limit I face a long ban and a crippling fine. 

如果警察对我作呼气测醉试验，发现我饮酒过量，我将会面临很长时间的禁驾以及巨额罚款。

He was found to be three times over the limit. 

他血液中的酒精浓度是允许极限的3倍。