http://www.youtube.com/watch?v=5QlPv3sUxHg 0;53 she's as light as a feather. 人魚戦士は驚くほど軽い。
http://www.youtube.com/watch?v=WeY-NRG90bQ 6:21 it's literally light as a feather. このメガネのフレームは本当に吹けば飛ぶように軽い。
http://www.youtube.com/watch?v=-l2dCUWxETw 5:35 so light as a feather can be 羽根のように軽い
練習問題解答
a-8161 as light as a feather
b-3166 like a feather
b-3197 as light as a feather
b-3243 as light as a feather