我酒量不好，刚才已经喝了几杯，现在只能以茶代酒，请见谅。

I am so sorry, but may I substitute wine with tea and seek your kind understanding.

youdao

不过，读者恐怕不知道，“以茶代酒”始于三国东吴的末代皇帝孙皓。

However, I am afraid that readers do not know, "to the tea liquor on behalf of" the three countries began in Soochow of the Last Emperor.

youdao

看他喝不动了，就悄悄换上茶，让他“以茶代酒”，不至于因喝不下酒难堪。

He fixed a drink, quietly put on the tea and let him "on behalf of wine to tea", not embarrassed because drinks do not drink.

youdao