他当众道歉了。
He apologized in public.
当众
in public; in front of everybody
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Every character draws itself, stroke by stroke. Then grab the brush: trace it yourself and hear the word when you finish.
当
众
Nice writing!
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Chinese words snap together like bricks. Every word below shares a character with this one, so you are already halfway to knowing it.
当
See it in sentences
别当众批评他。
Do not criticize him in public.