开动 Traditional form: 開動 Pinyin (reading): kāidòng Definitions: to start to set in motion to move to march to dig in (eating) to tuck in (eating) Characters: 开 - to open; to start, to initiate, to begin 动 - to move, to happen; movement, action Traditional characters: 開 - to open; to start, to initiate, to begin 動 - to move, to happen; movement, action