no later than the time specified
最迟，最晚
all new cars will be required to meet this standard by 1997 at the latest.
要求所有的新车最迟于1997年前达到这一标准。
at a late stage in proceedings, especially too late to be useful
为时已晚，时机已过
you've realized it a little late in the day.
你已经认识到了，不过为时已晚。
Recently; lately
近来；最近
was feeling better of late.
最近感觉好多了