thanklessly

基本解释

• adv.徒劳的

同根派生

英汉例句

• They seldom labour their wits on thankless task.
  他们很少为吃力不讨好的工作动脑筋。
• I did much for him but what I got was only his thankless complaints.
  我为他做了那么多，但得到的只是他不知感恩的抱怨。
• Giving advice is usually a thankless act.
  进忠告通常是一种不令人感激的行为。
• Nobody was keen to take on such a thankless task.
  没有人愿意承担这种费力不讨好的任务。
• SAVING the world is a thankless task.
  拯救世界是一个费力不谄媚的义务。