have a flutter

例句：

1. 1.
   使
2. 1. The butterfly's wings fluttered in the breeze.
   蝴蝶的翅膀在风中轻轻扇动。
3. 2.Her heart was fluttering with excitement.
   她的心因兴奋而怦怦直跳。
4. 3.The leaves on the tree fluttered in the wind.
   树叶在风中轻轻飘舞。