Translation. 1. I learn English ____________________________(出于兴趣)。 2. I need ______________to finish the task. (另外两) 3. If you ______________ business, you may take risks.( 从事...) 4. I _______________, but nobody came to open the door.(按门铃) 5. Don't ____________________ too much work because the extra cash is not worthwhile.(承担) 6. His efforts seemed to be ____________ for the disabled.(对...热心)