副詞：然而、但是
例句：
- It is necessary to let your parents know, however.
然而，你還是應該讓你的父母知道這件事 (請注意標點符號) - Few teenagers, however, are willing to go shopping with their parents.
青少年很少願意跟父母一起去逛街 (請注意標點符號) - She had a high fever and felt very tired. However, she studied for the test until very late.
她發著高燒，又覺得很累。然而，她還是努力讀書，準備考試到很晚 (請注意標點符號) - He knew it was going to rain; however, he didn’t bother to bring an umbrella.
他知道就要下雨了，但是，他還是沒帶雨傘出門 (請注意標點符號)
同義詞：
- nevertheless 儘管如此、然而 adv. 用於表示某事物與先前提到的事物相反或相矛盾，但仍然發生或有效。
例句：She knew the test would be difficult; nevertheless, she felt well-prepared.
她知道考試會很困難；然而，她仍然覺得準備充分。 - nonetheless 儘管如此、然而 adv. 用於強調某事物與之前提到的事物有所不同，但仍然有效或相關。
例句：The project had many challenges; nonetheless, it was completed on time.
企劃面臨許多挑戰；儘管如此，它還是按時完成了。 - but 但是 conj. 用於連接兩個相互矛盾或相反的想法或事物。(雖然語意相同，but是連接詞，請注意標點符號)
例句：The cake was delicious, but it was too sweet for my taste.
蛋糕很美味，但對我的口味來說太甜了。 - yet 然而、但是 adv. 用於表示某事物與之前提到的事物相矛盾或相反。(雖然語意相同，yet是連接詞，請注意標點符號)
例句：She was tired, yet she continued working on the project.
她很累，但她仍繼續完成專案。 - still 仍然、然而 adv. 用於表示某事物儘管存在困難或阻力，但仍然繼續發生或保持不變。
例句：The odds were against him, but he still managed to succeed.
儘管機會不大，但他仍然成功了。
疑問副詞：究竟如何
例句：
- However did you make him come?
你究竟如何讓他來的？ - However will you accomplish the project on such a tight (small) budget?
你要怎樣用這麼少的預算完成這個企劃？
連接詞：無論如何、不管怎樣
常見搭配詞：
- however + 副詞 + S + V, SV
例句：However hard she tried, she failed.
不管她多麼努力嘗試，她還是失敗了 (請注意標點符號)。 - however + 形容詞 + S + be, SV
例句：However messy she is, she can’t compete with her brother. He is even messier.
不管她多邋遢，都無法跟她哥哥比，她哥哥更邋遢 (請注意標點符號)。
例句：
- However I tried to explain it, my mother still couldn’t understand it.
不管我如何解釋，我媽媽就是不懂 (請注意標點符號)。 - He let his daughter draw on the wall however she wanted.
他讓他的女兒在牆上畫畫，怎樣畫都可以。 - The boy can answer the question however hard it is.
不管這個問題有多難，這個男孩都能回答。 - However carefully the teacher explained, Mary still didn’t understand.
不管老師怎麼仔細解釋，瑪麗還是沒聽懂。
同義詞：
- no matter how 無論如何、不管怎樣
例句：No matter how hard the task seemed, she was determined to complete it on time.
無論任務多麼困難，她都下定決心要按時完成。
衍生字：
- how 如何 adv.
