by leaps and bounds

(idiom) with extremely quick progress

Example Sentence:

My English has improved by leaps and bounds since I started studying at PLI.

Sally’s health improved by leaps and bounds after she started exercising.

Media:

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Similar idioms:

1. a hill of beans
2. basket case
3. as cool as a cucumber
4. all nighter
5. a picture paints a thousand words
6. at a crossroads
7. bark up the wrong tree
8. back seat driver
9. breakdown