Select the alternative that best expresses the meaning of the given idiom/phrase

Select the alternative that best expresses the meaning of the given idiom/phrase.

To strike a sour note

a)            To talk about sour food

b)            To talk about something impractical

c)            To talk about something unimportant

d)            To talk about something unpleasant.

Sol:

Idiom ‘to strike a sour note’ means to indicate, allude or show something unpleasant or unfortunate, eg; You definitely struck a sour note when you brought up Dan’s ex-girlfriends during your best man speech.