all the best

said or written to wish a person well on ending a letter or parting

祝一切順利，美好的祝愿（書信結(jié)尾或道別時(shí)用語(yǔ)）

as best one can (或 may)

as effectively as possible under the circumstances

盡最大努力

I went about my job as best I could.

我盡力把工作做好。

at the best of times

even in the most favourable circumstances

即使在最好時(shí)候

his memory is poor at the best of times.

即使在最好的時(shí)候，他記性也很差。

be best friends

be mutually closest friends

友好相處，親密無間

he's &B{best friends with} Eddie.

他和埃迪是摯友。

be for (或 all for) the best

be desirable in the end, although not at first seeming so

（初時(shí)雖則不妙）最終結(jié)果還是理想的

best end

(Brit.)the rib end of a neck of lamb or other meat

(英)（羔羊等的）頸部肋條

one's best friend

one's closest or favourite friend

密友，摯友

the best-laid plans of mice and men gang aft agley

(proverb)even the most careful planning doesn't necessarily ensure success. gang

(諺)即使是最周密詳盡的計(jì)劃也未必能確保成功，計(jì)劃再好也未必成功

in the tradition of all best-laid plans, subsequent events overturned the scheme.

正如一切最周密詳盡的計(jì)劃一樣，隨后發(fā)生的事情使這一陰謀失敗了。

the best of friends

very close friends

摯友

the best of three (或 five 等)

victory achieved by winning the majority of a specified odd number of games

三局兩勝（或五局三勝等）

the best part of

most of

…的大部分

it took them the best part of 10 years.

他們十年中的大部分時(shí)間都花在這上面。

best wishes

an expression of hope for someone's future happiness or welfare, often written at the end of a letter

“萬事如意！"（常寫在信尾處，表示祝愿）

best wishes, Celia.

萬事如意，西莉亞。

one's best years

the most vigorous and productive period of one's life; one's prime

（一生的）黃金時(shí)光，頂峰時(shí)期

do (或 try) one's best

do all one can

盡最大努力，竭盡所能

Ruth &B{did her best to} reassure her.

露絲竭力安慰她。