lightweight

音標(biāo)發(fā)音

The vacant W.B.C. junior-lightweight title has been called off.
空缺的世界拳擊理事會次輕量級頭銜被取消了。
He changed from lightweight (under 71kg) to light middleweight (under 78kg).
他從輕量級（71公斤以下）轉(zhuǎn)到了輕中量級（78公斤以下）。
Some of the discussion in the book is lightweight and unconvincing.
書中的有些論述膚淺瑣碎，毫無說服力。
He was considered too lightweight for the job.
人們認(rèn)為他資歷太淺，不適合做這工作。
By the age of sixteen he was the junior lightweight champion of Poland.
16歲時他已經(jīng)是波蘭的青少年組輕量級冠軍。

(NOT HEAVY) weighing only a little or less than average
(NOT SERIOUS) not showing deep understanding or knowledge of any subject
(SPORTS PERSON) in some sports, including boxing, a person whose weight is between featherweight and welterweight
(NOT SERIOUS) a person whose work in a particular area of activity does not show a deep understanding or knowledge of that subject

Something that is lightweight weighs less than most other things of the same type.
Lightweight is a category in some sports, such as boxing, judo, or rowing, based on the weight of the athlete.
If you describe someone as a lightweight, you are critical of them because you think that they are not very important or skilful in a particular area of activity.
Lightweight is also an adjective.