Subject + 让 + Agent + Verb + 了
The verb 让 (ràng) can introduce the agent in a passive construction, similar to 被 (bèi), indicating that the subject undergoes an action performed by someone else. It is more colloquial than 被. For example, 蛋糕让他吃了 means "the cake was eaten by him."
我的手机让弟弟摔坏了。
wǒ de shǒujī ràng dìdi shuāi huài le.
My phone was broken by my little brother dropping it.
那本书让同学借走了。
nà běn shū ràng tóngxué jiè zǒu le.
That book was borrowed by a classmate.
窗户让风吹开了。
chuānghù ràng fēng chuī kāi le.
The window was blown open by the wind.