ròu bāo zi dǎ gǒu

Монгол орчуулга удахгүй нэмэгдэнэ.

• never return

直译: to hit a dog with a meat bun

出处: A xiehouyu. The second part is 有去無回 /有去无回 (yǒuqùwúhuí). When one throws a meat bun to a dog, it will always eat it, and the person can never get the bun back.