Verbs might confuse you
Change means to become something different.
e.g., Things do not change. - चीजें नहीं बदलतीं |
Vary means to change with time.
e.g., The cost of a room at the hotel varies with the season.
Wary - सावधान (किसी व्यक्ति या वस्तु के प्रति), सतर्क, चौकन्ना/ख़बरदार
e.g., His gaze became wary and he spoke softly.
उसकी निगाहें सतर्क हो गईं और वह धीरे से बोला |