Brian considered Sam a lightweight, a real amateur.

布赖恩认为萨姆是个无足轻重的人，是个真正的业余选手。

《柯林斯英汉双解大词典》

As a response to Japanese kamikaze attacks, Grumman developed the F8F Bearcat as a lightweight fighter able to climb quickly to meet incoming enemy aircraft.

作为对日本神风敢死队袭击的回应，格鲁门公司研发了 F8F 熊猫，它是一种轻型战斗机，能够迅速爬升以迎接来袭的敌机。

youdao

JSON is a lightweight data-exchange format.

JSON是一种轻量级数据交换格式。

youdao

L is for layers.Wearing loose, lightweight clothes, one layer on top of another, is better than wearing a single heavy layer of clothing.

VOA: special.2009.12.23

When this book first came out, critics called her a lightweight.

当她出版了第一本书时评论家们说她无足轻重。

耶鲁公开课 - 1945年后的美国小说课程节选

Often derided as a lightweight, he has benefited from being underestimated by his opponents.

ECONOMIST: Flirting with nationalists, provoking the opposition

It is a lightweight, rugged robot that can be carried and deployed by a single soldier.

ENGADGET: Interview: Helen Greiner, Chairman and Cofounder of iRobot, Corp.

As a refresher, the Model S is a full-sized five-passenger four-door sportback with a lightweight aluminum body.

ENGADGET: Tesla Model S first drive: the sports sedan goes electric (update: video)