1. The latest museum to open may turn you off your dinner.
turn sb off (使)厭煩
One sniff of his breath was enough to turn you off drink for good.
聞一下他呼出的氣息就足夠使你永遠不愿喝酒 。
2.That's the obstacle, but maybe I can make them reconsider.
obstacle 障礙
Overcrowding remains a large obstacle to improving conditions.
過度擁擠仍然是改善條件的一大障礙 。