英语播客EnglishPod 729

Daily Life - Going to the Doctor
Some people go to the doctor as soon as they start feeling a little
under the weather, others wait until they’ve tried everything else
but to no avail¹. Today at EnglishPod, we’ll be learning all about
common symptoms and treatments as we join one girl on her visit
to the doctor.

1 avail   

vt.有益于；n.效用

参考例句：

• We tried to keep him alive but to no avail.我们全力抢救他，但却徒劳无功。
• We opposed the proposal but to no avail.我们反对这个提议，但没用。