你会不会把“略知一二”
翻译成 know a thing or two
恭喜你，答对啦
a thing or two 这句惯用语的意思是
“一些事情；些许知识，一星半点”
所以，“略知一二、略懂一二”自然是
know a thing or two about
这可不是精通的学霸在自我谦虚
而是真的有一些知识
know a thing or two about
= has some knowledge of
来两个例句感受下：
Why don't you ask Andrew about it?
He knows a thing or two about computers.
这个问题为什么不问问安德鲁？
他懂点计算机。
（《隐藏人物》）
She thinks she knows everything about raising children,
but I could tell her a thing or two.
她觉得自己对于养育孩子样样精通，
不过我倒可以让她见识一二。
tell her a thing or two
= some information she does not know
a thing or two 当然也可以单独使用
I'm having trouble paying attention -
I have a thing or two on my mind.
我现在很难集中注意力——我心里有事。
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