to explore or investigate deeply
গভীরভাবে অনুসন্ধান করা বা খোঁজ নেওয়া
"The scientist decided to delve in to the mysteries of the deep sea."
"বিজ্ঞানী গভীর সমুদ্রের রহস্যগুলো গভীরভাবে অনুসন্ধানের সিদ্ধান্ত নিলেন।"
to think carefully about your feelings and actions
to tie your shoes or gear in preparation for something
to look inside yourself to find strength or courage
to fall late in doing something
to experience pressure or attack, especially politically
to overcome difficulties or obstacles