Thanklessly
adv. 徒劳的
📖 牛津释义
thanklessly
adv.
🗣️ 情景例句
I'll have to go home.
我必须回家一趟。
I didn't catch that, Could you go over that again?
我没有听清楚，请你再说明一下好吗？
You work too much.
你做得太多了。