At this point, I propose a toast: to the cooperation between … and … , to the health of Senator…, cheers!
最后，我借主人的酒，提议为……干杯！
Lastly, taking up this glass of fine wine, I propose a toast to…
请各位举杯并同我一起为所有在座的朋友们的健康干杯！
I'd ask you to raise your glass and join me in a toast ot the health of all our friends present here。
敬您一杯！
Here's to you!
祝你健康！
To your health!
我要为此干杯！
I'll drink to that!
随量！
Whatever you like!