"it is the least I can do"
"that is the least of my concerns"
Adjective:
the superlative of `little' that can be used with mass nouns and is usually preceded by `the'; a quantifier meaning smallest in amount or extent or degree;
"didn't care the least bit"
"he has the least talent of anyone"
Adverb:
used to form the superlative;
"The garter snake is the least dangerous snake"
least的用法和样例:
例句
用作形容词 (adj.)
The least noise would startle the timid child. 最小的响声也会吓着这个胆小的孩子的。
The greatest talkers are always the least doers. 大言不惭的总是做得最少的人。
用作副词 (adv.)
She came when we least expected her. 她在我们最意料不到的时候来了。
He worked hardest but was paid least. 他工作最辛苦,但所得报酬却最少。
This is the least important thing of all. 这是其中最不重要的东西。