late 14c., from Old French pensif "thoughtful, distracted, musing" (11c.), from penser "to think," from Latin pensare "weigh, consider," frequentative of pendere "weigh" (see pendant). Related: Pensively; pensiveness.
例文
1. He looked suddenly sombre, pensive .
彼は突然陰気で心配そうな顔をしていた。
2.You may remember the way each scene ended with someone looking pensive or significant.