use·ful /ˈjusfəl/
(a.)有用的,有益的,有幫助的
useful
有用
Use·ful a. Full of use, advantage, or profit; producing, or having power to produce, good; serviceable for any end or object; helpful toward advancing any purpose; beneficial; profitable; advantageous; as, vessels and instruments useful in a family; books useful for improvement; useful knowledge; useful arts.
To what can I useful! --Milton.
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useful
adj 1: being of use or service; "the girl felt motherly and
useful"; "a useful job"; "a useful member of society"
[syn: utile] [ant: useless]
2: of great importance or use or service; "useful information";
"valuable advice" [syn: valuable, of value]
3: capable of being turned to use or account; "useful
applications of calculus"
4: having a useful function; "utilitarian steel tables" [syn: utilitarian]