1 文書を見つけるための辞書。

• problem, job
• 骨の折れること, 課題, 難題, 問題, 困難, 面倒, プロブレム, 厄介事
• a state of difficulty that needs to be resolved; "she and her husband are having problems"; "it is always a job to contact him"; "urban problems such as traffic congestion and smog"
• 解決する必要のある困難な状況