他tā 很hěn 吃chī 得de 开kāi 。
He is well connected and popular.
吃chī is ‘to eat’ and 开kāi is ‘open’ Here 开kāi connotes ‘his way is laid open’.
Verb + 得de + degree, the pattern is to express the degree of the verb. e.g. 写xiě 得de 好hăo ‘write well’.
吃chī 得de 开kāi is used to describe someone is well connected and popular. Because this person is well-connected, he is often invited to banquets. Therefore he can not only 吃chī, but also eat openly and ‘eat his way to success’.
