得in this sentence should be pronounced as de（in a light tone), and 着 is zhao( the 2nd tone). Normally, 得 is pronounced as de, well, if it sounds like dei, then it either goes with "劲儿“ as " 得劲儿” which means feeling comfortable, or is before the adverb with the similar usage of "should" in English

在这句话中： “得”可以读de二声（但不要读的太重），或近似于四声的轻声。是个助词。 “着”在这里读zhao二声。 得读成dei３声的话是是”必须“的意思，比如：我得（dei３）走了（我必须走了），这得他周意（这必须他同意）。 着读成zhe一般是助词，吃着（正在吃，持续吃的状态），走着……。