困らす

(1)make more complicated; "There was a new development that complicated the matter"

(2)より複雑にする

(3)be confusing or perplexing to; cause to be unable to think clearly; "These questions confuse even the experts"; "This question completely threw me"; "This question befuddled even the teacher"

(4)混乱させるような、あるいはややこしい

(5)秩序立てて考えることができない原因となる

(6)be a mystery or bewildering to; "This beats me!"; "Got me--I don't know the answer!"; "a vexing problem"; "This question really stuck me"

(7)神秘か目まぐるしい

(1)