每日一词 otiose

 【每日一词】otiose -/ / ˈəʊtɪˌəʊs, -ˌəʊz / adj. 没有用的；不必要的；多余的；怠惰的；无效果的
 

1: producing no useful result : futile ; 2: being at leisure : idle; 3: lacking use or effect : functionless

　　短语
otiose unprofitable: 没有用的
an otiose belief: 无用的信仰
an otiose undertaking: 无用的承诺
inactive languorous lazy otiose slothful: 怠惰的

　　双语例句
But you compare others to catch a few final otiose more, it is toxic still.
可是你比别人多抓几只最终没有用的，它还是中毒了。
Because he does not know the skill of fishing, light has fishing rod is otiose.
因为他不懂钓鱼的技巧，光有鱼竿是没有用的。
Objective To study the antitumor activity of otiose and coumarin in novobiocin.
目的研究新生霉素的结构单元诺维糖和香豆素的抗肿瘤活性。

　　Examples of otiose in a Sentence
since you haven't read the book, I suppose that it would be otiose to inquire what you thought of it