रेखांकित खंड को प्रतिस्थापित करने के लिए सबसे उपयुक्त मुहावरे का चयन कीजिए। He thinks his new plan will undoubtedly produce the desired result.

Choose the alternative that best expresses the meaning of the given idiom: 'To spill the beans'

Select the most appropriate meaning of the given idiom: 'Clouds on the horizon'

Identify the most appropriate meaning of the given idiom: 'Drive someone up the wall'