(adjective) at a greater distance
(When related to physical distance, farther is a synonym)
更遠的
It was much further to the town centre than I remembered.
去市中心的路比我印象中要長得多。
(adjective or adverb) more or extra (unrelated to physical distance)
更多；另外
Have you anything further to add?
你還有甚麽要補充的嗎？
If you have any further problems, let me know.
如果你還有甚麽問題，請一定讓我知道。
We need to talk further about this.
我們需要就這一點進一步談談。
(verb) to develop or make progress in something
改進；推進；增進
Additional training is probably the best way to further your career these days.
如今額外的訓練可能是推進你事業發展的最佳途徑。
(Source: http://dictionary.cambridge.org/dictionary/english-chinese-traditional/further)
