Subject + 毕竟 + Statement
The adverb 毕竟 (bìjìng) means "after all" or "when all is said and done," and is used to remind the listener of a fundamental fact that should influence their judgment. It introduces a reason or justification that the speaker considers decisive. For example, 他毕竟还是个孩子 means "after all, he is still a child."
他毕竟是你爸爸,你应该多理解他。
tā bìjìng shì nǐ bàba, nǐ yīnggāi duō lǐjiě tā.
He is your father after all — you should try to understand him more.
她毕竟工作了一整天,累了也正常。
tā bìjìng gōngzuòle yì zhěng tiān, lèi le yě zhèngcháng.
She did work a whole day after all — it's normal to be tired.
毕竟我们是老朋友了,不用这么客气。
bìjìng wǒmen shì lǎo péngyǒu le, búyòng zhème kèqi.
After all, we're old friends — no need to be so formal.