on mature reflection/considerationformalSENSIBLE after thinking carefully and sensibly about something for a long time 经过仔细考虑 On mature reflection we have decided to decline their offer. 经过慎重考虑，我们已决定谢绝他们的提议。
on mature reflection/consideration• His men would carry their standard-issue M16 rifles, although on mature reflection he decided that they should not be loaded.
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