1 . at best 至多，充其量，就最樂觀的一面來看。如： Life is short at best. 生命再長也是短暫的。 At best a few hundred people attended the meeting. 充其量只有幾百人參加了會議。 We can’t arrive before Friday at best. 我們無論如何也無法在星期五以前趕到。
2 . do [try ] one ’s best 盡力， 竭盡全力。如： As long as you do your best, we’ll be happy. 只要你盡力，我們就滿意了。 It doesn’t matter if you don’t win---just try your best. 贏不了也沒關係，只要努力即可。 注：其後有時可接不定式。如： We did our best to help them. 我們盡力幫了他們。
3 . had best 最好，應該。如： You had best stay here. 你最好呆在這兒。 I think we had best sell it. 我想我們還是把它賣掉的好。 注：had best 與 had better 同義。
4 . It ’s best for sb to do sth 某人最好去做某事。如： It’s best for us to start early. 我們最好早點出發。 It’s best for you to buy a dictionary. 你最好買臺電腦。
5 . make the best of 充分利用，儘量往好處做，將就用。如： We must make the best of the fine weather. 我們必須要充分利用這好天氣。 The only thing to do now is to make the best of things. 現在唯一的辦法就是隨遇而安。
含有 best 的若干短語與搭配
1 . at best 至多，充其量，就最樂觀的一面來看。如： Life is short at best. 生命再長也是短暫的。 At best a few hundred people attended the meeting. 充其量只有幾百人參加了會議。 We can’t arrive before Friday at best. 我們無論如何也無法在星期五以前趕到。
2 . do [try ] one ’s best 盡力， 竭盡全力。如： As long as you do your best, we’ll be happy. 只要你盡力，我們就滿意了。 It doesn’t matter if you don’t win---just try your best. 贏不了也沒關係，只要努力即可。 注：其後有時可接不定式。如： We did our best to help them. 我們盡力幫了他們。
3 . had best 最好，應該。如： You had best stay here. 你最好呆在這兒。 I think we had best sell it. 我想我們還是把它賣掉的好。 注：had best 與 had better 同義。
4 . It ’s best for sb to do sth 某人最好去做某事。如： It’s best for us to start early. 我們最好早點出發。 It’s best for you to buy a dictionary. 你最好買臺電腦。
5 . make the best of 充分利用，儘量往好處做，將就用。如： We must make the best of the fine weather. 我們必須要充分利用這好天氣。 The only thing to do now is to make the best of things. 現在唯一的辦法就是隨遇而安。