any written or spoken word considered as a series of letters and sounds, regardless of its meaning

语词, 词语
a particular occupation which one finds worthy and is trained for

职业, 事业
a division between a group of people caused by their disagreement over beliefs or views

分裂, 裂派
the act of changing a place's function or purpose

转变, 改造
(of natural forces such as wind, water, or other environmental factors) to gradually wear away or diminish the surface of a material

侵蚀, 磨损
to be applicable, connected, or relevant to a particular subject, circumstance, or situation

涉及, 有关
determinedly continuing to do or to believe something, even when it gets difficult

执拗的, 坚持不懈的
the quality of having determination to continue doing or believing something in spite of any opposition or hardships

顽强, 坚持不懈
