a period of indeterminate length (usually short) marked by some action or condition; "he was here for a little while"; "I need to rest for a piece"; "a spell of good weather"; "a patch of bad weather" 何らかの動作や状態によって特徴付けられる確定できない期間（通常短い期間）。
日/英 »
【上位】 an indefinite period (usually marked by specific attributes or activities); "he waited a long time"; "the time of year for planting"; "he was a great actor in his time" 無限の期間（通常、特定の属性または、活動に特徴付けられる）。
日/英 »
