mismatch       
 verb [ T ] uk/ˌmɪsˈmætʃ/ us/ˌmɪsˈmætʃ/
 使错配;使不适当地在一起
to put together people or things that are unsuitable for each other
  I always thought Chris and Monique were mismatched, so I wasn't surprised when they got divorced. 我一直认为克里斯和莫妮克不般配,所以他们离婚我并不吃惊。 
 mismatch       
noun [ C ] uk/ˌmɪsˈmætʃ/ /ˈmɪsˌmætʃ/ us/ˌmɪsˈmætʃ/ /ˈmɪsˌmætʃ/
 错配;不相称
an occasion when people or things are put together that are not suitable for each other
  There is a mismatch between the capacity of the airport and the large number of people wanting to fly from it. 机场的容量与其巨大的客流量很不相称。