youdao

Upgrade yourself: Without a doubt, if you find yourself lacking in knowledge and skills to make the right decisions, consider upgrading yourself.

提升你自己。去掉疑虑，如果你发现自己缺乏做出正确决定的知识和技能，那么考虑提升你自己。

youdao

Lacking knowledge regarding the significance of ecological balance, businessmen sent out ships that insatiably chased fishes and thus posed a severe threat to all life in the sea.

由于商人们缺少对于生态平衡的认识，他们的渔船无休止地捕鱼，给海洋生物的生存造成了巨大的威胁。

youdao

They let me imagine how it felt to be longed for, and that was a knowledge sadly lacking in my real life.

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Lacking knowledge in art of constructive feedback?

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Yet we are sorely lacking in knowledge about our past, as shown by a recent National Assessment of Educational Progress.

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