Jǐngchá bìxū yǒu sōucházhèng cáinéng sōuchá nǐ de fángzi.
Police must have a search warrant to search your house.
Tips
memory
搜查 (to search) + 证 (certificate/proof) = a certificate authorizing a search. Compare with 搜查令 (sōuchálìng), which is a synonym using 令 (order) instead of 证.
