to study or explore something in great depth
在深入的层面上学习或探索某事 (zai shēnrù de céngmiàn shàng xuéxí huò tànsuǒ mǒushì)
"He took a deep learning dive into neural networks last month."
"他上个月对神经网络进行了深度学习潜水。" (Tā shàng gè yuè duì shénjīng wǎngluò jìnxíngle **shēndù xuéxí qiánshuǐ**.)
To do something faster to compensate for wasted time.
to have important or ambitious goals for the future
to be in control of a situation
to solve a problem through programming skills
to admit that you have done something wrong
in private; secretly