jǐng / fāng / chōu / sī / bō / jiǎn / zhōng / yú / chá / qīng / le / zhè / qǐ / àn / jiàn / de / zhēn / xiàng

警方抽丝剥茧，终于查清了这起案件的真相。

The police painstakingly followed the clues and finally uncovered the truth behind the case.