罰酒

to drink as the result of having lost a bet

to punish / to penalize

wine (esp. rice wine) / liquor / spirits / alcoholic beverage / CL:杯[bei1],瓶[ping2],罐[guan4],桶[tong3],缸[gang1]

lit. to refuse a toast only to be forced to drink a forfeit (idiom) / fig. to turn down a request only to be forced later to comply with it under pressure

to refuse a toast only to be forced to drink a forfeit / fig. to hesitate to do sth until forced to do even more