He has got to hear it from the horse's mouth. Then he can makea judgment as to whether his policy is correct or not.
他必须获得可靠消息。然后他就能判断出他的政策是否正确。
《柯林斯英汉双解大词典》
2
An orthodontist took a cast of the inside of Billy's mouth to makea dental plate.
正牙医师从比利的口腔内部取了模型来制作齿板。
《柯林斯英汉双解大词典》
3
In the rare chance that there is a microorganism that can make you sick on the exact spot where the food dropped, you can be fairly sure that the bug is on the food you are about to put in your mouth.