expression
wholeheartedly; unconditionally; completely
Used to express full, unreserved agreement or approval. Often paired with verbs like 賛成する, 同意する, or 認める.
彼の提案に諸手を挙げて賛成した。
I wholeheartedly agreed with his proposal.
その計画には諸手を挙げて賛成できない。
I cannot unconditionally approve that plan.
全面的に means 'comprehensively' or 'across the board', while 諸手を挙げて emphasizes personal, enthusiastic endorsement.
Literally 'raising both hands', from 諸手 (both hands) + を + 挙げて (raising). The gesture of raising both hands symbolizes surrender or unreserved acceptance, giving rise to the figurative meaning of wholehearted agreement.