earnest
A adjective
1 (serious) 认真的 ‹student›
2 (sincere) 诚挚的 ‹pledge, intention, desire›
3 (fervent) 热切的 ‹prayer, devotion›; 热情的 ‹invitation›
4 (conscientious) 勤恳的 ‹efforts, toil›
B noun
1 [uncountable] (seriousness) 认真;
in earnest 认真地;
to begin or start in earnest 真正开始;
it was now snowing in earnest 雪真的下起来了;
to be in earnest 郑重其事;
this time I'm in earnest 这次我可是认真的
2 [countable] literary (guarantee) 保证;
he did it as an earnest of his sincerity 他这样做以示诚意