knocking

noun/ˈnɑkɪŋ//ˈnɒkɪŋ/
  1. 1.

    tiếng gõ

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

    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.

    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.