top out
  落成
  Top out. Building To top off; to finish by putting on a cap of top (uppermost) course (called a top`ping-out" course).
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  top out
       v 1: give up one's career just as one becomes very successful;
            "The financial consultant topped out at age 40 because
            he was burned out"
       2: reach the highest point; "Bids for the painting topped out
          at $50 million" [ant: bottom out]