underhand

• 形容行为或手段是秘密的、不诚实的或欺骗性的；也可指动作是低手进行的或暗中进行的。

Describes actions or methods that are secret, dishonest, or deceitful.

1. Deceptive or dishonestB2formal

   Characterized by secrecy, deceit, or a lack of fairness.

   不正当的

   • The company used underhand tactics to win the contract.
   • His underhand behavior was exposed by the investigation.
   • She felt betrayed by his underhand methods.

   同义词clandestinecovertcraftycunningdeceitfuldishonestdouble-dealingfurtiveschemingslytreacherousunderhandedunfairunscrupulous

   反义词candidfairfrankhonestopenstraightforward

2. Thrown from belowB1formal

   Describes a throw or delivery where the hand is brought forward and up from below shoulder level.

   低手投掷

   • The pitcher used an underhand throw to surprise the batter.
   • Children often use an underhand toss when playing catch.
   • He delivered the ball with an underhand motion.

   同义词underarmunderhanded

   反义词overhand

• 副词，表示以秘密、狡猾或欺骗的方式行事。形容出于欺骗或作弊意图而做的行为，通常暗中进行或不诚实。

An adverb meaning 'in a secret, sly, or deceptive manner.' It describes actions done with intent to deceive or cheat, often in a way that is not openly visible or honest.

1. Secretly or deceitfullyC1formal

   In a sly, secret, or dishonest manner.

   秘密地或不诚实地

   • He acted underhand to gain an advantage over his rivals.
   • The deal was conducted underhand, without the knowledge of the board.
   • She was accused of behaving underhand during the negotiations.

   同义词covertlydeceitfullydishonestlyfurtivelysecretlyslylystealthilysurreptitiouslyunderhandedly

   反义词candidlyfairlyfranklyhonestlyopenly

2. With a low swing (sports)B2formal

   With the hand swung below shoulder level, typically in sports like bowling or throwing.

   低手（体育）

   • He threw the ball underhand to the child.
   • In softball, the pitch is delivered underhand.
   • She bowled underhand to avoid injuring the beginner.

   同义词underarmunderhanded

   反义词overhand