under lock and key 妥善保管
英文释义
In a well-protected, very safe place.
例句
The famous chef keeps his best recipes under lock and key so no one will steal them.
这位名厨妥善保管着他的最佳菜谱,没有人能偷走。
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under lock and key 妥善保管
英文释义
In a well-protected, very safe place.
例句
The famous chef keeps his best recipes under lock and key so no one will steal them.
这位名厨妥善保管着他的最佳菜谱,没有人能偷走。