work at
US /wɜːrk æt/
UK /wɜːrk æt/
1.
努力做, 致力于
to make an effort to achieve or improve something
:
•
You need to work at your communication skills.
你需要努力提高你的沟通技巧。
•
They've been working at this problem for hours.
他们已经努力解决这个问题好几个小时了。
努力做, 致力于
to make an effort to achieve or improve something