(ぜひ)とも

ぜひとも
adverb
by all means, at any cost
expression
See also: ぜひ (less emphatic form)
1. by all means, without fail, at any cost
An emphatic form of ぜひ, expressing a strong desire or request. Conveys that the speaker is very earnest about wanting something to happen.
是非(ぜひ)とも()ください
Please do come, by all means.
是非(ぜひ)とも成功(せいこう)させたい
I want to make it succeed at any cost.
I very much hope you will make the most of this opportunity.

Usage

是非(ぜひ)とも is a stronger, more emphatic version of 是非(ぜひ) ("by all means, definitely"). It adds extra urgency or earnestness to requests and wishes. Often used in formal or polite contexts to show sincerity.

COMPARISON WITH 是非(ぜひ):

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Slightly more formal than 是非(ぜひ) alone. Common in business settings and formal invitations.