英语中practice的用法？

名词 n.
1. 实行,实施,实践[U]
I am afraid the idea would never work in practice.
恐怕这想法实际上行不通。

2. (反复的)练习,学习[C][U]
Learning a language needs a lot of practice.
学习语言需要勤练不辍。

3. (医生、律师等的)业务,工作,营业[C]
Dr. Pat is no longer in practice here.
派特医生不在这儿行医了。

4. 习惯,常规,惯例[C][U]
The old practice still prevails in the countryside.
旧习俗在乡间仍然流行。

5. 【律】诉讼手续
及物动词 vt.
1. 实践,实行
What I preach, I am resolved to practice.
我所讲的道理,我必定身体力行。

2. 练习,实习;训练
The young girl practices the violin every day.
这小女孩每天练习拉小提琴。

3. 经常做
We should practice economy even if we are rich.
既使我们富裕了也仍应该励行节约。

4. 开业从事
He has practiced law in Taipei for 30 years.
他在台北做律师已有三十年。
不及物动词 vi.
1. 实践,实行 2. 练习,实习
I don't think you practice enough.
我认为你练习不够。

3. (医生,律师等)开业[(+as)]
He practices as a lawyer in Hong Kong.
他在香港当律师。

补充：practice 是名词，“实践，惯例，习惯，练习，业务，开业”

    practise是动词，“练习，实习，养成....的习惯”

practice  v. 练习;实习。后面多跟名词(词组)或v-ing形式作宾语。如:    I want to practice my spoken English in the English Corner this weekend.    这个周末我想去英语角练习口语。    Listen! Someone is practicing playing the piano.    听!有人在练习弹钢琴。    practice  n. 实践;练习;经验。多为不可数名词。如:    Practice makes perfect.  [谚]熟能生巧。    Have you had any practice in nursing the sick?    你有护理病人的经验吗?