archaic <古>
1
- pleased or willing under the circumstances高兴的; 愿意的：
the traveller was fain to proceed.
旅行者愿意继续前进。
1.1
- compelled by the circumstances; obliged被迫的; 勉强的：
he was fain to acknowledge that the agreement was sacrosanct.
他不得不承认协议是神圣不可侵犯的。
- with pleasure; gladly乐意地, 欣然：
I am weary and would fain get a little rest.
我累坏了, 很想休息一会儿。
词源
Old English faegen 'happy, well pleased', of Germanic origin, from a base meaning 'rejoice'; related to FAWN2 .