英语翻译：
credulity; swallow; take in
例句：
- 她是一个行骗的老手，利用了那个老人生性轻信以售其奸。
She was a practised swindler and took advantage of the old man's confiding nature.
- 他利用了我的轻信。
He has practised on my credulity.
- "你以为我会轻信那项报道吗？" -- "绝对不会。"
"Do you think I'm going to swallow that story?" -- "Not on your nelly."
- 他们是一些轻信广告的人。
They are credulous people who believe in the advertisement.
分词翻译：
轻的英语翻译：
gently; light; not important
信的英语翻译：
believe; faith; fuse; letter; message; sign; true; trust; without plan