1. Upon my life, I did not expect to see you here.
我发誓，我没想到会在这里见到你。

2. Upon my life, this is the strangest thing I have ever heard.
说真的，这是我听过最奇怪的事。

3. Upon my life, he told the truth about the accident.
我可以发誓，他说的事故经过是真的。

A: Did he really finish the work alone?
A：他真的是一个人完成这项工作的吗？

B: Upon my life, he did it without any help.
B：我发誓，他确实是独自完成的，没有任何帮助。

1) An old-fashioned oath meaning 'I swear it is true'.

2) Used to emphasize sincerity or truthfulness.

3) Common in literary or dramatic English.

1. 用于强调真实性的誓言表达，相当于“我发誓”。

e.g. Upon my life, I have never lied to you.
我发誓，我从未对你撒谎。

phrase

1. An old oath used to emphasize that something is true or to express strong affirmation.

Synonym: I swear, upon my word