It’s no good ____ about the weather.

• শূন্যস্থানে সঠিক উত্তর হবে - complaining.
- Complete sentence: It’s no good complaining about the weather.

• It’s no good (doing something)
English Meaning: used to say that an action will not achieve what it is intended to achieve.
- অর্থাৎ, It's no good এরপর আরেকটি verb আসলে verb টি (verb + ing) রূপে বসে।

• Example:
- It's no good just bleating on about the rising tide of crime to get money out of the government.
- It's no good pretending you've any aptitude for art when it's quite clear you've none at all.
- It's no good printing my letter if you're just going to do it again.

Source: Longman Dictionary.