Quick to take action; cheerfully willing to start tasks or help—eager and prompt to get moving.
田中さんは腰が軽くて、仕事の手伝いをすぐ引き受けてくれる。
Tanaka is quick to help and immediately volunteers to assist with work.
彼女はイベントの準備に腰が軽く、率先して動いた。
She was eager in preparing the event and took the initiative.
腰が軽い人はチームで頼りにされることが多い。
People who are quick to act are often relied on in teams.
Hasty; prone to acting quickly without much thought—sometimes implying rashness.
彼は腰が軽いところがあり、重要な決定を急ぎすぎることがある。
He can be hasty and sometimes rush important decisions.
腰が軽くてすぐ転職する人もいるが、慎重に考えた方がいい場合もある。
Some people change jobs quickly, but sometimes it's better to think carefully.
飲み会の誘いに腰が軽く応じると、後で困ることがあるかもしれない。
If you readily accept every invitation to go out, you might get into trouble later.