This jacket is warm enough for the cold weather.
這件外套對於寒冷的天氣來說足夠保暖。
My little brother is old enough to walk to school.
我弟弟已經足夠大，可以自己走路去上學了。
He did not run fast enough to catch the MRT.
他跑得不夠快，沒有趕上捷運。
Did you sleep enough last night before the big test?
大考前你昨晚睡得足夠嗎？