concern n oneself about担心
Of Immediate Concern To Oneself切身
Concern Oneself In干涉;干预;关心
concern oneself with sth从事;沉溺于某事物
to concern oneself with结记
for concern oneself about担心
concern oneself about with关心
concern oneself with研究的对象是;忙于;关心;从事
concern oneself in sth关心;从事;忙于