Chinese phrase
我自己怀疑是〜 wǒ zì jǐ huái yí shì 〜
Meaning
I suspect it was ___
When to use it
It shows a speaker's suspicion that someone was responsible. It presents a likely guess rather than a certain fact, often when the speaker has limited evidence.
Example dialogue
谁把文件拿走了？ shuí bǎ wén jiàn ná zǒu le
Who took the documents?
我自己怀疑是同事拿走了。 wǒ zì jǐ huái yí shì tóng shì ná zǒu le
I suspect it was my colleague who took them.