I only hope it's worth our while.

（我々の努力が無駄にならなければいいんですがな。）
　ルパン三世「ルパン対複製人間」より。ルパンの次の獲物はエジプトのピラミッドの中にある！と睨んで非常線をはった銭形警部。しかしエジプト警察はそんな銭形に懐疑的。こんなに人員を出して、ムダ足におわらなきゃいいんですけどな、と銭形に嫌みを言う。

• be worth one's while (to do/doing)＝「時間を費やすだけの価値がある／〜するのは無駄ではない」（worth the time or effort spent／used to say that someone should spend time or money on something because they will gain something from it／if something is worth your while, you will get an advantage if you do it／worth one's time and trouble）
  • It might be worth your while to talk to the head of department.
  • Some people feel it's not worth their while working if they can get money from the state.
  • It's worth your while taking out travel insurance if you are going abroad.　※take out an insurance ／保険契約をする
  • The job pays so badly it's not worth your while even going for an interview.
  • It's not worth Mary's while going all that way just for a one-hour meeting.
  • It would be worth your while to see if you can still get tickets to the show.
  • You could make this trip more worth your while if you arranged to see more than one client.