以便 | yǐ biàn | so that / so as to / in order to | |
足以 | zú yǐ | sufficient to... / so much so that / so that | |
好使 | hǎo shǐ | easy to use / to function well / so that / in order to | |
以致于 | yǐ zhì yú | so that / to the point that | |
俾使 | bǐ shǐ | in order that / so that / so as to / to cause sth |