for this once

例句：

1. 1. Forthis once, I'll go tothe beach with you.
   这一次，我要和你一起去海滩。
2. 2. She saidshe would do it for thisonce, but then changed her mind.
   她说她会做这一次，但后来改变了主意。
3. 3.He asked me to forgive him for thisonce, but I refused.
   他让我原谅他这一次，但我拒绝了。