飲み下す

(1)pass through the esophagus as part of eating or drinking; "Swallow the raw fish--it won't kill you!"

(2)飲食することの一部として、食道を通過する

(3)drink down entirely; "He downed three martinis before dinner"; "She killed a bottle of brandy that night"; "They popped a few beer after work"

(4)完全に飲んでしまう

(1)