with obj.
1- please (someone) greatly使（某人）愉快：
an experience guaranteed to delight both young and old.
保证能让老少都愉快的经历。
1.1
- no obj.
delight in
take great pleasure in以…为乐： they delight in playing tricks.
他们喜欢恶作剧。
mass noun
1- great pleasure兴致; 乐趣：
she took great delight in telling your story.
她讲起你的故事来兴致勃勃。
1.1
- count noun a cause or source of great pleasure令人高兴的东西, 乐事：
the trees here are a delight.
这里的树木赏心悦目。
词源
Middle English: from Old French delitier (verb)， delit (noun)， from Latin delectare 'to charm'， frequentative of delicere. The -gh- was added in the 16th cent. by association with LIGHT1.