A：Michael Jackson's coming to town.
迈克尔·杰克逊要来镇上了。
B：I Couldn't care less.
我一点也不在意。
注释：
I couldn't care less.
=I don't care at all.
(我一点也不在乎。)
上面第一句助动词一定要用couldn't，而非can't，此乃固定用法。原意为：
我无法(couldn't)更少一点地(less)
不在乎了。
即等于
I don't care at all.
(我一点也不乎。)