Enter One's Head negative informal verb phrase
It never even entered my head to make a team with you.
The fact that our team's project entered our boss's head is surprising.
State something in a very strong, clear and effective way
to say or reply something without having thought about it or knowing whether it is corect
To think carefully and seriously or ponder about someone or something
To help or convince someone to begin thinking reasonably (about something).
To think about an issue or possibility thoroughly and without haste.
The verb "enter" should be conjugated according to its tense.
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The idiom has been in use since at least the mid-1800s.