They had an occasional coffee together after shopping.
他们偶尔会在购物后一起喝杯咖啡。
We should have enough money for the occasional trip.
我们的钱应该足够偶尔出去旅行一次的。
adj. [生物]偶然的;临时的;特殊场合的
extraordinary、
temporary、
odd
adv. occasionally
n. occasion
vt. occasion