1
underhand + noun
作定语时可表示体育中的低手动作，也可引申为不光明的手段。
She made an underhand throw.
她做了一个低手投掷。
低手的
先理解核心含义，再看它在真实句子里的用法。
低手的
made with the hand brought forward and up from below shoulder level
She made an underhand throw.
她做了一个低手投掷。
指投球、传球等动作，非“秘密的”义
秘密的；暗中的。
Secret; clandestine.
手从肩部以下向前上方挥动
with hand brought forward and up from below shoulder level
不诚实且偷偷摸摸的；以秘密或狡猾方式进行的。
Dishonest and sneaky; done in a secret or sly manner.
具有欺骗性的
marked by deception
She practiced her underhand serve every afternoon before the match.
她每天下午比赛前练习低手发球。
AI contextual example
The coach showed us an underhand toss that is easy for beginners to control.
教练给我们示范了一种初学者容易控制的下手抛球。
AI contextual example
For this drill, use an underhand throw instead of throwing over your head.
这个练习中，请用低手投掷，而不是举过头顶投掷。
AI contextual example
an underhand pitch
一个下手投球。
WordNet
作定语时可表示体育中的低手动作，也可引申为不光明的手段。
She made an underhand throw.
她做了一个低手投掷。
作表语时描述行为或做法秘密、不诚实，带有贬义。
His behavior was underhand.
他的行为偷偷摸摸。
Not this
He underhand took the money.
Use this
He took the money in an underhand way.
“underhand”是形容词，不能直接作副词修饰动词；表示“偷偷摸摸地”应使用介词短语“in an underhand way”。
Not this
He underhand the ball to the catcher.
Use this
He underhanded the ball to the catcher.
“underhand”作动词表示“低手扔”，其过去式是规则变化“underhanded”，不能省略-ed后缀。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
低手投掷
She taught the children how to make an underhand throw.
她教孩子们如何做低手投掷。
低手投球
In softball, the pitcher must use an underhand pitch.
在垒球运动中，投手必须采用低手投球。
低手抛掷
He gave the keys an underhand toss across the room.
他低手把钥匙抛过房间。
低手发球
She practiced her underhand serve before the volleyball match.
排球比赛前她练习了低手发球。
低手传球
The point guard delivered an underhand pass to the center.
控球后卫向中锋传了一个低手球。
卑劣手段
He lost the election because of his opponent's underhand tactics.
他因对手的卑劣手段而输掉选举。
秘密交易；暗箱操作
The CEO resigned when the underhand deal was exposed.
当暗箱交易被曝光后，首席执行官辞职了。
暗中方式；偷偷摸摸的方式
She achieved success in an underhand way that damaged her reputation.
她以暗中行事的方式获得成功，却损害了自己的名声。
Use underhand naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想：把手藏在身体下面，暗地里做事，就是“偷偷摸摸的”；体育中手从下往上的动作即“低手的”。
语域：neutral 常见场景：sports coaching、baseball/softball pitching、volleyball serving 表示体育动作“低手（由肩部以下向前向上挥动）”时，通常出现在运动教学、规则说明或比赛解说中，语气中性、具体。常见搭配如 underhand serve/throw，注意这是对动作方式的客观描述，不带有贬义。
None of these words rhymes perfectly with /ˈʌndəhænd/, because the main stress of underhand is on the first syllable. They are all useful lookalikes that share the spelling -hand and the final /hænd/ sound, but note that hand and unhand stress the /hænd/ syllable, while beforehand, shorthand, secondhand, and farmhand do not.
Dictionary facts from ECDICT, WIKTIONARY.