清筛器
He has a smattering of knowledge about physics.
他对物理一知半解.
in contrast, a conceited person, while having a smattering of knowledge, shows it off and rest on what he has achieved.
相反,骄傲自满的人一知半解,却大肆炫耀,满足于已取得的成就。
It is dangerous that you have a smattering of superficial knowledge on a subject.
对于任何问题一知半解的知识都是危险的.
with only a smattering of knowledge,
你呀,就别一知半解,
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