english
1
general::
see ON SECOND THOUGHT.
American Heritage Idioms
2
general::
Phrase(s): *second thoughts (about someone or something) new doubts about someone or something. (*Typically: get ~; have ~; give someone ~.) • I’m beginning to get second thoughts about Tom. • You’re giving me second thoughts about going there. • I’m having second thoughts also.
McGrawhill's American Idioms And Phrasal Verbs