应当，最好

1. 最好,顶好：guarantee against 保证...不... | had best 最好,顶好 | had better do sth. 还是...好,最好还是...

2. 最好：hackwork 粗劣作品 | had best 最好 | had better 最好

3. 应当,最好：do/try one's best 尽力,努力 | had best 应当,最好 | make the best of 充分利用

4. 應該;最好成語英美片語成語：62512應該成語英美片語成語supposed to | 62513應該;最好成語英美片語成語had best | 62514應試者教育學生examinee

2. had best的解释

verb

1. act in one's own or everybody's best interest

e.g. You will do well to arrive on time tomorrow!

Synonym: do well