Someone says that love is a rose with thorns（刺）. It is attractive from a ______, but as soon as you touch it, you might get hurt.

Betty has a very tight _____ this weekend so she has turned down the dinner invitation.

 Tourists can have a better view of the sea and the island from their _____ on the top of the temple on the mountain.

Peter, a superstar in environment protection, reduces plastic and other _______ through DIY.

 There is a(n) ________ of peace and calm in the country, quite different from that of a big city.