I didn't see any suspicious behavior at the time, and to be totally honest, I actually liked that teacher and was shocked to learn of his extracurricular activities.

我没有发现他有任何值得怀疑的行为，觉得他为人诚实，实际上我甚至挺喜欢这个老师，然而我却被他的课余活动震惊了。

youdao

Believing that 70% of its money would be kept in cash, the Art Institute was shocked to learn that much of it was tied up in illiquid private investments, including a portfolio of distressed debt.

ECONOMIST: Oh, the charms of hedge funds

Readers reared on Western accounts of a war between good and evil may be shocked to learn that for Poles the war was three-sided.

ECONOMIST: Poland at war