second thought noun
plural second thoughts
plural second thoughts
Learner's definition of SECOND THOUGHT
[count]
: a feeling of guilt, doubt, worry, etc., that you have after you have decided to do something or after something has happened再三考虑；犹豫 -
After she agreed to lend him the money, she had second thoughts.在同意借钱给他之后，她又有所迟疑。
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She was having second thoughts about getting married.她对结婚一事又有了新的想法。
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They throw away perfectly good food without (so much as) a second thought. [=without worrying about it]好好的食物他们就扔掉，（一点）都不觉得有什么不对。
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Don't give a second thought to [=don't worry about] that broken vase.别再为那个打破的花瓶操心了。
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He hardly gave it a second thought.他几乎不再去想那件事了。
on second thought
(US) or British on second thoughts
: after thinking about something again重新考虑