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To expel something from the mouth, especially vomit or food.
彼女は食べ過ぎて吐いた。
She vomited because she ate too much.
犬が骨を吐き出した。
The dog spat out the bone.
Can also be used metaphorically to mean 'to confess' or 'to reveal a secret.'
To confess or reveal something, often reluctantly.
彼はついに真実を吐いた。
He finally confessed the truth.
'吐く' is often used for both literal and figurative meanings, but be mindful of the context.
In formal writing or professional settings, use '嘔吐する' instead of '吐く' when referring to vomiting.
From Middle Chinese 'thut' (吐), meaning 'to spit out' or 'to vomit.'
In formal contexts, '嘔吐する' is often preferred over '吐く' for vomiting.