expression, ichidan verb
raise one's hand
Physical action of lifting one's hand, e.g., to get attention or answer a question.
質問がある人は手を挙げてください。
If you have a question, please raise your hand.
Idiomatic use; usually written 手を上げる. Means to admit defeat or yield.
彼はついに手を上げて降参した。
He finally raised his hands and surrendered.
expression, ichidan verb
raise a hand against; threaten to strike
Usually 手を上げる. Implies a threatening gesture, often in the context of violence or intimidation.
彼は怒って相手に手を上げようとした。
He got angry and tried to raise his hand against the other person.
expression, ichidan verb
Idiomatic; usually 手を上げる. Often used for skills or abilities. Related to 腕を上げる.
See also: 腕を上げる
彼は最近料理の手を上げた。
He has recently improved his cooking skills.
expression, ichidan verb
volunteer; throw one's hat in the ring
Usually 手を挙げる. Means to indicate willingness to participate or take on a task.
その仕事に手を挙げた人はまだいません。
No one has volunteered for that job yet.