being essentially equal to something;
"it was as good as gold"
"a wish that was equivalent to a command"
"his statement was tantamount to an admission of guilt"
- Her statement is tantamount to a confession of guilt.
- The excuse was tantamount to a refusal.
- The King's request was tantamount to a command.
- tantamount to 相当于
The accusation was tantamount to treason.出自： John Brooke
Listening to other people's phone messages was tantamount to opening their mail.出自： D. Adams