used to say that something is true according to what people say, although it is uncertain
いわく, 噂によると
used to indicate a degree of expectation regarding something that is likely to happen
すべき, しなければならない
in some obscure manner or by some unspecified means that one does not know or understand thoroughly
何らかの方法で, 曖昧な方法で
used to suggest that something is assumed to be true, often with a hint of doubt
いわゆる, 本来
not firmly established or decided, with the possibility of changes in the future
仮の, 暫定的な
used to express that no decision is made or no opinion is formed about something due to uncertainty
used to imply that even when something seems certain or likely to happen, there are many opportunities for it to go wrong or for unexpected events to intervene before it is actually achieved
used to convey that something cannot happen under any given circumstances
not exactly known or expressed, often leading to confusion or ambiguity
不明確な, 曖昧な