形容词

名词

1. （更）严肃地;（更）郑重地
If something is done or happens in earnest, it happens to a much greater extent and more seriously than before.

2. 认真的;诚挚的;真诚的
Earnest people are very serious and sincere in what they say or do, because they think that their actions and beliefs are important.

1. something of value given by one person to another to bind a contract