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你得对公司的程序了如指掌。
You need to become fully conversant with the company's procedures.
《牛津词典》
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卡托对这些珍宝的出处全都了如指掌。
Kato was fully aware of the provenance of these treasures.
《柯林斯英汉双解大词典》
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“我们对你了如指掌，”她轻蔑的说。
"We know all about you," she said disdainfully.
《柯林斯英汉双解大词典》