He takes a big mouthful and nearly chokes as it goes down. This is definitely not water. And although he can easily drink this and is more then happy to do so, he didn't mean to subject the Lan to the biting after taste of the vodka.

"This..is definitely not water." He laughs a little uncomfortably and picks up another glass, sniffing it to see if he can tell which ones might actually be water.

"Don't tell Lan Zhan I gave you alcohol."