腰こしを上あげる

expression, ichidan verb

stand up; get up from sitting

Literal physical action of rising from a seated position. Often used when someone has been sitting for a while and finally stands.

See also: 腰を下ろす

• 長ながい会かい議ぎの後あと、ようやく腰こしを上あげた。

  After the long meeting, I finally stood up.

expression, ichidan verb

get moving; take action; get off one's backside

Idiomatic: to finally start doing something after hesitation or delay. Often implies overcoming inertia or laziness.

• そろそろ重おもい腰こしを上あげて、仕し事ごとを探さがさないと。

  I need to get off my backside and start looking for a job soon.

• 政せい府ふがようやく腰こしを上あげて対たい策さくを始はじめた。

  The government finally took action and started countermeasures.