LL: Yeah, chug comes from the sound you make when you drink something quickly and all at one time.

• 只有在喝冷饮的时候才能够咕嘟咕嘟地快喝。你要喝茶可就不行了。一杯热茶，最好慢慢品尝。再说，喝快了也会烫嗓子呀。