1、干杯的英文是cheers.

2、为朋友们的健康干杯！

here's to the health of our friends--to your health! 《汉英大词典》

3、我提议为两国人民的友谊干杯。

i propose a toast to the friendship between the peoples of the two countries. 《汉英大词典》

4、他们以香槟为她干杯。

they toasted her in champagne. 《柯林斯高阶英汉双解学习词典》