my word upon it

• 我敢保证

my word upon it的用法和样例：

例句

1. Upon my word she won the lottery.
   我敢保证，她一定是中了彩票。
2. I'll try my best to fix your pc but I can't promise I'll repair it.
   电脑我会尽力修的，但是我不敢保证肯定能修好。
3. It looks as if we are in for a big storm.
   看来我们一定会碰上一场暴风雨。
4. You shall have it back next week.
   下星期一定还你。