Are you in the habit of rising early?
你有早起的习惯吗?
It was impossible to discuss anything private over the telephone, as the operator was in the habit of listening in.
在电话里不能谈私人的秘密,因为接线员有窃听电话的习惯。
He made a habit of taking a nap after lunch.
他养成了午饭后小睡的习惯。