adv.偶尔;偶然;有时候;
例句:
He just calls in occasionally.
他只是偶尔过来坐坐。
Occasionally they paid for their indiscretion with their lives.
有时候他们因自己的轻率而搭上性命。
I'll occasionally go to a local jazz evening with a friend.
我有时会跟朋友去参加当地的爵士乐之夜。