老调重弹
harp on the same string; sing the same old tune; stick to the hackneyed theme;dwell on the platitude;rehash stale ideas
美国众议院院长批评总统的新战略只不过是～而已，是一种拖延战术。The US Speaker of the House criticised the President’s new strategy as rehashed stale ideas and a procrastinational tactic.
老调重弹lǎo diào chónɡ tán
比喻把说过的事情或主张重新拿出来，也比喻把过去曾经做过的技艺重新做起来。play the same old tune, sing the old song again, beat over the old ground, harp on the same string