this is a mean type of theft by ruthless people preying on the elderly.
这是无情之徒利用老人弱势的一种卑鄙偷窃。
This matter has been preying on my mind all day.
这个问题整天萦绕在我的心头。
This problem has been preying on my mind all day.
这个问题让我伤了整整一天脑筋。
The death of his father is really preying on his mind at the moment. He thinks it was his fault.
眼下，父亲的死成为他的一块心病，他认为那是自己的过错。
this is a mean type of theft by ruthless people preying on the elderly.
这是无情之徒利用老人弱势的一种卑鄙偷窃。
This matter has been preying on my mind all day.
这个问题整天萦绕在我的心头。
This problem has been preying on my mind all day.
这个问题让我伤了整整一天脑筋。
The death of his father is really preying on his mind at the moment. He thinks it was his fault.
眼下，父亲的死成为他的一块心病，他认为那是自己的过错。
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