守土

to guard one's territory / to protect the country

to guard / to defend / to keep watch / to abide by the law / to observe (rules or ritual) / nearby / adjoining

Tu (ethnic group) / surname Tu

earth / dust / clay / local / indigenous / crude opium / unsophisticated / one of the eight categories of ancient musical instruments 八音[ba1 yin1]

duty to defend the country (idiom)