2 sentences

1. 他表现出对权力的过度热衷。

   tā biǎo​xiàn chū duì quán​lì de guò​dù rè​zhōng.

   He showed an excessive obsession with power.

   Source: Dong Chinese Dictionary

2. 他非常热衷于各种公益活动。

   tā fēi​cháng rè​zhōng yú gè zhǒng gōng​yì huó​dòng.

   He is very enthusiastic about various public welfare activities.

   Source: Dong Chinese Dictionary