too sour：太酸了。
This apple is too sour to eat.
這蘋果太酸了，吃不得。
Want some? 來吃點嗎？
Wanna see red one?
想看看紅的嗎？
Need to twist off this green one?
需要擰下這個青的嗎？
twist off：扭斷。
twist：搓；捻；擰；扭動。
Too simple, the green apple is too sour to eat, right?
太簡單了吧，青蘋果太酸了不能吃，是不？
But I think that It's neither too
sour nor too sweet.
但我覺得它不很酸，也不很甜。