1. to raise one's hand

expressions (phrases, clauses, etc.) Ichidan verb

2. to surrender

Ichidan verb expressions (phrases, clauses, etc.) idiomatic expression

3. to raise one's hand to someone (as a threat to strike)

Ichidan verb expressions (phrases, clauses, etc.)

4. to become better (at something), to improve

expressions (phrases, clauses, etc.) Ichidan verb idiomatic expression

5. to throw one's hat in the ring, to volunteer, to indicate one intends to participate, to raise one's hand

Ichidan verb expressions (phrases, clauses, etc.) idiomatic expression