apropos
adj. 恰好的;适当的
adv. 恰好地;适当地;恰当地
prep. 关于
例句
Apropos (of) what you were just saying...
至于你刚才所说的…
《牛津词典》
All my suggestions apropos the script were accepted.
我有关该剧本的所有建议都被采纳了。
《柯林斯英汉双解大词典》
She was no longer sure of her position. Apropos of that, it was clearly time for more persuasion.
她对自己的立场不再胸有成竹。谈及此,显然正是做更多说服工作的时候。