warrant

詞意辨析：

justify, warrant

這兩個動詞均含“為……提供理由或根據”之意。
justify: 強調所提供的根據或理由不僅會迎合理性還滿足了良心，並且含“如果不提供理由辨護就會受到非難”的意味。
warrant: 指有充分的理由或有必要做某事。英文字典

詞型變化：

動詞過去式:warranted 過去分詞:warranted 現在分詞:warranting 第三人稱單數:warrants 副詞:warrantably 形容詞:warrantable 名詞:warrantability

英文解釋：

名詞 warrant:

1. a writ from a court commanding police to perform specified acts
2. a type of security issued by a corporation (usually together with a bond or preferred stock) that gives the holder the right to purchase a certain amount of common stock at a stated price
   同義詞：stock warrant, stock-purchase warrant
3. formal and explicit approval
   同義詞：sanction, countenance, endorsement, indorsement, imprimatur
4. a written assurance that some product or service will be provided or will meet certain specifications
   同義詞：guarantee, warrantee, warranty

動詞 warrant:

1. show to be reasonable or provide adequate ground for
   同義詞：justify
2. stand behind and guarantee the quality, accuracy, or condition of
   同義詞：guarantee

例句：

1. The trouble isn't over yet, I'll warrant you.
   麻煩事並沒有完，我可以給你打包票。
2. Nothing can warrant such severe punishment.
   這樣嚴厲的懲罰毫無根據。
3. The law warrants this procedure.
   這一程式是法律批准的。
4. The police obtained a search warrant for his house.
   警察拿到了搜查他家的搜查證。
5. You shouldn't arrest him without warrant.
   你不能毫無根據地逮捕他。
6. That does not warrant you in doing so.
   那並不表明你有理由這樣做。