I was nervous, but I decided to just plunge in.
plunge in
idiomTo start a new endeavor enthusiastically and wholeheartedly, though possibly without experience.
The project seemed difficult, but she decided to plunge in and learn as she went along.
Rather than lingering in the safety of his familiar routine, he chose to plunge in and embrace the challenges of his new career.
- 01
bus plunge
A phrase often used in filler story headlines in print newspapers, prior to the adoption of computer-aided typesetting and publishing methods, as it filled out the usual width of a column in the eight-column layout then prevalent in the industry.
- 02
take the plunge
To begin any major commitment.