. . .to be useful to no one is, strictly speaking, to be worthless.
?? 名句詞匯解析
從本句名言中提取的重要詞匯，幫助你深度理解這句話
adj. 有用的，有益的，有幫助的;令人滿意的;
?? use用+ful可…的” →有用的
"The memory expansion cards are useful adjuncts to the computer."
內存擴充卡是計算機很有用的附件。
近義：helpful, assistive, available, profitable, purposive, serviceable
反義：idle, inane, ineffective, insignificant, lousy, needless
adj. 無價值的，不值錢的;卑微的;不足取的，不足道的;不足輕重;
?? worth價值 + less 無...的→ 無價值的，無用的
"She had been hoodwinked into buying a worthless necklace."
她受騙買了條一文不值的項鏈。
近義：idle, insignificant, lowly, needless, pointless, profitless
反義：helpful, immeasurable, appreciated, inappreciable, inestimable, loved
adv. 嚴格地;完全地;
"Photography is strictly forbidden in the museum."
博物館內嚴禁攝影。
近義：rigidly, rigorously, severely, starkly, stiffly, stringently
反義：resiliently, elastically
n. 說話;講話;談話;演講;
adj. 演講的;富于表情的;（肖像）栩栩如生的;雄辯的;
v. 講，談(speak的現在分詞 );
"He breathed deeply before speaking again."
他深深吸一口氣，然后繼續說下去。
近義：oratory, rhetoric, speechmaking, eloquence, talking