The burntout airliner was completely written off , it could no longer be considered to have any value.

烧毁的飞机完全无用了.

辞典例句

Group outings are totally useless.

集团出游是完全无用的.

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However, cascading menus are not entirely without worth.

不过, 级联菜单也并非完全无用.

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Reading more is like eating more, it is useless if not fully digested.

多读犹如多食, 不能消化即完全无用.

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He tried, but to no avail.

他试了, 但完全无用.

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