something of the lowest importance, strength, value, etc.最不重要的事物；最微小的事物；最无价值的东西
Any noise—even the (very) least—would startle her.
任何响声——即便是最（微）小的声音——都会吓着她。
— often + of
That’s the least of my worries/problems. [=I have more important worries/problems to deal with]
那是我最不担心的事情/问题。
We had many things to consider, not the least of which was the safety of our children. [=the safety of our children was very important]
我们有许多事情需要考虑，尤其是孩子们的安全问题。
used for saying that someone or something has less of a particular quality than anyone or anything else （在某种品质方面）最不…的
Hungary is one of the least polluted of the former East-bloc states.
匈牙利是前东欧国家中受污染程度最轻的一个国家。
The least confusing route would be to get on the M6 at Birmingham.
最不易产生混乱的路线便是在伯明翰上M6高速公路。
The new taxes will fall on those least able to pay.
新税收将摊到那些支付能力最弱的人头上。