knocking

noun/ˈnɑkɪŋ//ˈnɒkɪŋ/
  1. 1.

    tiếng gõ

    An act in which something is knocked on, or the sound thus produced

    ℹ Trong tiếng Việt, 'tiếng gõ' thường đi kèm với vật được gõ, ví dụ 'tiếng gõ cửa'.

    • These strange openings and closings and knockings were warnings and reminders from the spirits who attend the dying.
    • There was no response to continued knockings.
  2. 2.

    tiếng kích nổ

    A repetitive ping, knock, or similar sound coming from an engine in which there are repeated uncontrolled explosions in the combustion chamber.

    ℹ Trong kỹ thuật ô tô, hiện tượng này còn được gọi là 'hiện tượng kích nổ' hoặc 'động cơ bị gõ'.

    • Sir―I was greatly interested in a short article in The Motor Cycle on the subject of engine knocking.
    • Knocking can also occur at high speed, but that may go undetected by the driver.