on and on
 不停地,不斷地,連續地
 On, adv.
 1. Forward, in progression; onward; -- usually with a verb of motion; as, move on; go on; the beat goes on. “Time glides on.”
    The path is smooth that leadeth on to danger.   --Shak.
 2. Forward, in succession; as, from father to son, from the son to the grandson, and so on.
 3. In continuance; without interruption or ceasing; as, sleep on, take your ease; say on; sing on.
 4. Adhering; not off; as in the phrase, “He is neither on nor off,” that is, he is not steady, he is irresolute.
 5. Attached to the body, as clothing or ornament, or for use. “I have boots on.”
    He put on righteousness as a breastplate.   --Is. lix. 17.
 6. In progress; proceeding; ongoing; as, a game is on.
 Note: ☞ On is sometimes used as an exclamation, or a command to move or proceed, some verb being understood; as, on, comrades; that is, go on, move on.
 On and on, continuously; for a long time together. “Toiling on and on and on.”
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