They were afraid of answering the questions and incriminating themselves.
他们担心因回答这些问题而受到牵连。
《牛津词典》
2
Police had reportedly searched his house and found incriminating evidence.
据报道，警察搜查了他的房子，并且发现了罪证。
《柯林斯英汉双解大词典》
3
Of those who admitted cheating, 65 percent had been caught out by their mobile, with a third saying their partner had read incriminating text messages.