- and no one or nothing more besides; solely or exclusively唯一地; 仅有地; 只：
there are only a limited number of tickets available
只剩下数量有限的票了
only their faith sustained them.
只有他们的信念支撑着他们。
- no more than (implying that more was hoped for or expected); merely只; 仅仅：
deaths from heart disease have only declined by 10 per cent
因心脏病死去的人数仅仅下降了10％
she was still only in her mid thirties.
她还只有35岁左右。
- no longer ago than才; 刚刚：
genes that were discovered only last year.
去年才刚刚发现的基因。
- not until直到…才：
a final report reached him only on January 15.
最后一份报告直到1月15日才到他的手里。
- with infinitive with the negative or unfortunate result that不料; 结果却：
she turned into the car park, only to find her way blocked.
她转到停车场, 结果却发现路被堵住了。
- with modal inevitably, although unfortunate or undesirable只会：
if banks cancelled the debts, these countries would only borrow more
如果银行取消他们的债务, 这些国家只会借得更多
rebellion will only bring more unhappiness.
叛乱只会带来更多的痛苦。
- alone of its or their kind; single or solitary仅有的; 惟一的：
the only medal we had ever won
我们赢得的惟一一枚奖章
he was an only child.
他是独生子。
- alone deserving consideration唯一值得考虑的：
it's simply the only place to be seen these days.
这是现在惟一可看的地方。
- informal except that; but for the fact that〈非正式〉可是; 不过：
he is still a young man, only he seems older because of his careworn expression.
他还年轻, 不过沧桑忧郁的表情使他显得比实际年龄要老。
- but then但是：
the man was going to be hanged, only he took poison first.
这人会被绞死, 但是之前他已经服了毒药。
only just
- by a very small margin; almost not仅仅; 勉强：
the building survived the earthquake, but only just.
这座建筑地震中没有倒, 但也就差一点儿了。
- very recently刚刚; 刚才：
I'd only just arrived back from Paris.
我刚刚从巴黎回来。
only too -
- used to emphasize that something is the case to an extreme or regrettable extent太, 极度; 到令人遗憾的地步：
you should be only too glad to be rid of him
你应该非常高兴可以摆脱他了
they found that the rumour was only too true.
他们发现这个谣言太真实了。