Multiple choice

Directions: Choose the option that best expresses the meaning of the idiom.

To oil the knocker

  1. to instigate a person to do a job

  2. to do a work with increased pace

  3. to tip the office boy

  4. to revive old enmity
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

'To oil the knocker' is an idiom meaning to bribe or tip someone, particularly a servant or subordinate, to gain favor or smooth access. The historical context refers to lubricating a door knocker to make it easier to use, metaphorically extended to greasing someone's palm.

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