再介绍一些口语中“提建议”的表达法。
1. you should do something/you ought to do something:
例：
You should go to the doctor with that
cough.（咳成这样，你该去看看医生了。）
I think you should stay here until you've
sobered up.（我觉得，你得等酒醒了再走。）
That new restaurant's great - you really
ought to try it.（新开的那家餐馆很不错，你真该去试试。）
Do you know what you ought to do? You ought
to tell her exactly what you think of her.（你知道你该怎么办吗？你该把心里对她的想法原原本本都告诉她。）
2. It would be better...:
例：
It would be better for you to leave now if
you want to get there on time.（如果你想准时到，最好现在出发。）
It would be better not to wait too long.（最好不要等太久。）
3. you'd be better off: say this
when you are advising someone how to do something in a better way
例：
He'd be better off with a new job.（他最好另找份工作。）
The ferry takes about eight hours! You'd be
better off going by plane.（渡船要开8小时！你最好还是坐飞机去吧。）
I think you'd be better off using a knife
rather than scissors for that job.（我觉得弄这个，用刀比用剪刀好。）
4. take my advice: say this when you
think that someone should do something because you know from your own experience
how unpleasant or difficult something can be
例：
Take my advice - don't go into teaching
unless you're absolutely committed.（除非你下定决心全情投入，否则不要去教书，听我的没错。）
Divorces are a nightmare. Take my advice
and stay single.（离婚太恐怖了，干脆别结婚，听我的没错。）
5. take it from me: say this when
you are telling someone that they should trust the advice you are giving them
because it is based on your personal experience
备注：跟''take my
advice''用法类似。
例：
Take it from me, you'll regret it if you
waste your time at school.（如果在学校念书时没抓紧时间，你将来要后悔的，听我的没错。）
Love affairs with colleagues never work out
- take it from me.（办公室恋情总是没结果的，听我的没错。）
6. make sure (that) you ...: say
this when you do not want someone to make a mistake, for example by forgetting
to do something or losing something
例：
Make sure that you take your passport.（记得带护照。）
Make sure you lock all the doors and
windows at night.（晚上记得锁门关窗。）
7. the best thing is to ...: say
this when you are telling someone what you think the best way of dealing with a
particular situation is, based on your own experience
例：
The best thing is to just ignore her.
She'll soon take the hint.（最好的方法就是别理她，一会儿她自己就懂了。）
8. a word of advice ...: say this
especially when you are warning someone to be careful about something
例：
A word of advice: when you're at the
interview don't mention that you used to work in a bar.（注意了，面试时千万别提你在酒吧干过。）
9. on no account/not on any account:
use this when you are strongly advising someone not to do something because it
would be dangerous or stupid
备注：这是比较正式的说法。
例：
On no account should you attempt this
exercise if you're pregnant.（切记，怀孕的时候千万别做这个运动。）
You shouldn't sign the contract unless you are sure you understand it. Not on any account.（得明白合同说什么才能签。切记切记！）