come to think of it
US /kʌm tə θɪŋk əv ɪt/
UK /kʌm tə θɪŋk əv ɪt/

1.
說起來, 仔細想想
used to introduce a new thought or a realization that occurs to one at the moment of speaking
:
•
Come to think of it, I haven't seen John all day.
說起來,我今天一整天都沒見到約翰。
•
We should invite Sarah too. Come to think of it, she loves parties.
我們也應該邀請莎拉。說起來,她喜歡派對。