to work hard at sth的意思|示意
美 / /
英 / /
努力做某事
to work hard at sth的网络常见释义
苦心孤诣 ... to work as hard as possible 脱皮掉肉; 脱皮掉肉 to work hard at sth 苦心孤诣; 苦心孤诣 to work hard for 力争; 力争 ...