apply for

make a formal request for sth.请求;申请(工作等)

Many people have applied for the job.许多人都申请这项工作。

The local government a applied for immediate relief.地方政府请求紧急救济。

apply oneself to devote oneself to make oneself work hard at致力于;努力于

You must apply yourself to the job you have to do.你务必要努力干好你份内的工作。

He applied himself to the study of American literature.他专心研究美国文学。