to take a slight and not very serious interest in a subject, or try a particular activity for a short period

He first dabbled in politics when he was at law school. 他在法学院上学时首次接触政治。

She dabbled with drugs at university. 她在大学里沾上了毒品。

to put part of your body, such as your hand or foot, into the water of a pool or stream, etc. and move it around