level off   (TTS發音)

1. make flat or level 整平；弄平

    The bulldozers quickly levelled off the site. 推土機很快就把工地平整了。

2. even off；become steady 穩定；達到平衡

    After going up for half a year，the cost of living levelled off in September. 物價上漲了半年之後，在9月份穩定了。

    Production has levelled off now and we don't expect to increase it. 現在生產已經穩定，我們並不期望增加生產。

3. return to a horizontal position in flight（飛機）恢復水平飛行

    The plane climbed to 10，000 metres and then levelled off. 飛機升到1萬米高度後就水平飛行了。