full of complications or difficulties

複雑な, 困難な
so detailed and complex that understanding becomes difficult

ビザンチンの, 煩雑な
causing bewilderment or surprise

困惑させる, 驚くべき
extremely difficult or seemingly impossible to understand or interpret due to its unclear intent or cause

不可解な, 謎めいた
lacking clarity or coherence

混乱した (こんらんした), 不明瞭な (ふめいりょうな)
impossible to comprehend

理解しがたい, 計り知れない
difficult to understand due to being complex or obscure

難解な, 難しい
difficult to understand or interpret

謎めいた, 不可解な
extremely difficult to fully comprehend

理解しがたい, 不可解な
complicated or difficult to follow, like a maze

迷路のような, 複雑な
difficult to understand or obscure to most people due to its complexity

難解な, 秘められた
designed to be so simple that even someone with little knowledge or skill can use it without making mistakes

バカでも使える, 初心者向けの
extremely tiring and demanding strenuous effort and perseverance

厳しい, 過酷な
intimidating, challenging, or overwhelming in a way that creates a sense of fear or unease

dauntingな , 威圧的な
relating to a task that is endless, futile, and laborious

シシフォス的な, 終わりのない
requiring great strength, effort, or courage

ヘラクレスのような, 途方もない
causing a significant loss of physical, emotional, or mental energy

疲労を引き起こす, エネルギーを消耗させる
causing problem or difficulty

厄介な, 難しい
requiring a lot of effort and time

丹念な, 骨の折れる
difficult and needing a lot of energy and effort

重 burdensome, 困難 cumbersome
(of sentences, explanations, arguments, etc.) long and difficult to understand, often due to complexity or excessive detail

複雑な (ふくざつな), 難解な (なんかいな)
requiring a great amount of effort, skill, or care

厳密な, 要求が厳しい
achieving something after facing a lot of challenges and putting in a great deal of effort

苦労して得た, 辛苦の末の
challenging situation that requires considerable effort

厳しい, 困難な
causing fatigue or irritation due to being repetitive or tiresome
to successfully overcome challenges or difficulties

克服する, 乗り越える
to use skill and cunning to gain an advantage over someone, defeating or surpassing them through intelligence

出し抜く (だしぬく), 騙す (だます)
to endure a difficult or dangerous situation with courage and determination

耐える, 立ち向かう
