兴趣

Interest is the best teacher.

vocational/job interest

passing/ephemeral interest

interest in learning; learning interest

intense/keen/strong interest

enormous interest

personal interest

have similar tastes and interests

have broad/wide interests

interests and hobbies

arouse/provoke/whet/excite a great deal of interest

lose interest

lack interest

cultivate/develop/nourish an interest (in)

stimulate sb's interest

be completely uninterested (in); show/express no interest whatsoever

be interested (in); take/feel/have an interest (in)

kill sb's interest

develop/take a profound interest (in); become very interested (in); become crazy (about)

display/show/express interest (in)