in the (或 as a) last resort

—— one's last

do something for the last time

最后一次做

the dying embers sparked their last.

将灭的灰烬冒出最后火星。

last but not least

last in order of mention or occurrence but not of importance

最后的但并非最不重要的

last ditch

used to denote a final, often desperate, act to achieve something in the face of difficulty

孤注一掷，背水一战

[as modifier]a last-ditch attempt to acquire some proper qualifications.

为取得适当资格的孤注一掷的努力。

one's (或 the) last gasp

[as modifier]a last-ditch attempt to acquire some proper qualifications.

为取得适当资格的孤注一掷的努力。

last orders

(in a bar or public house) an expression used to inform customers that closing time is approaching and that any further drinks should be purchased immediately

［酒吧告知顾客即将打烊］最后一次点酒

last orders, gentlemen, please.

请点最后一次酒吧，先生们。

the last straw

last orders, gentlemen, please.

请点最后一次酒吧，先生们。

last thing

late in the evening, especially as a final act before going to bed

深夜（尤指睡前）最后做的事

I think having that cup of tea &B{last thing at night} really helps.

我认为晚上睡前喝那样一杯茶很有好处。

on one's last legs

I think having that cup of tea &B{last thing at night} really helps.

我认为晚上睡前喝那样一杯茶很有好处。

at last

After a considerable length of time; finally.

终于：一段相当长的时间之后；最终

at long last

After a lengthy or troublesome wait or delay

好容易才：经过一段长期而艰辛的等待或耽搁

At long last the winter was over.

冬季总算过去了