You'd better.. 中的'd 是 had 的缩写
had better do sth. 最好做某事, 否定结构是: had better not do 最好别做某事
you'd better not watch TV this evening
翻译: 你今天晚上最好别看电视
You'd better.. 中的'd 是 had 的缩写
had better do sth. 最好做某事, 否定结构是: had better not do 最好别做某事
you'd better not watch TV this evening
翻译: 你今天晚上最好别看电视