Although and In Spite Of
Because / As / Since / For
Notwithstanding
Other Conjunction
However As a Transition Word
Nevertheless, Nonetheless, Yet, Still, notwithstandingと同様に2文の間に置かれたhoweverを使って複文にできる＜3524＞その使い分けと注意点＜3524＞1. The scientist claimed that the vaccine was safe; however, they were still hesitant to use it on human.
2. The scientist claimed that the vaccine was safe, however, they were still hesitant to use it on human.
3.科学者はそのワクチンが安全であると主張した。 3524>4.科学者は、ワクチンは安全であると主張した。
However As a Subordinating Clause
形容詞や副詞が続く限り、「しかし」を従属語として使うことができます。
例：
However beautiful she is, I will never marry her.
However carefully you drive, you should never speed.For 例：
いくら彼女が美しいとはいえ、私は決して彼女と結婚しないだろう。
注意：
上の文章では、「However」は「though, though, even though」など他の対比従属詞と似た意味を持っていますが、順序を変える必要があります。
Though she is beautiful, I will never marry her.
Although you drive carefully, you should never speed.どんなに彼女は美しいが、私は彼女と決して結婚しないだろう。