他对批评无动于衷。
He is indifferent to criticism.
aloof; indifferent; unconcerned
Every character draws itself, stroke by stroke. Then grab the brush: trace it yourself and hear the word when you finish.
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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.
他对批评无动于衷。
He is indifferent to criticism.
别人难过,他无动于衷。
Others are sad, but he is unmoved.