(as) keen as mustard
01
非常热心, 兴致很高
used to refer to a person with a very high level of enthusiasm
Dialect
British
approving
idiom
informal
例子
Sarah is always the first one to volunteer for any project at work. She's as keen as mustard and brings so much enthusiasm to the team.
孩子们在学校旅行前兴致很高。



























