adj.相等的,相当的;
例句:
The excuse was tantamount to a refusal.
那种托辞形同拒绝.
Such an explanation is tantamount to a confession.
这样一种解释等于一篇自白.
Should a tragedy occur, it would be tantamount to murder.
如果发生悲剧, 那和谋杀是一样的.