face out . oppose or deal with bravely 勇敢地对付

He faced the matter out in spite of severe questioning．哪怕有严厉的责问，他也会勇敢地对待这一问题。

face to face . with one's face looking toward the face of another person；together面对面；在一起

They sat face to face with each other without a word．他们面对面坐在一起无话可谈。

He tried to avoid meeting the boss those days，but happened to run into him face to face on the stairs．那些天他努力回避老板，但却无意中在楼梯上面对面碰上了他。

The church and the school stand face to face across the street．教堂和街对面的学校相对而立。

face up to . face something  difficult with courage and determination不畏缩；勇于正视

We must face up to our responsibilities and not to try to get out of them．我们必须勇于承担责任而不是逃避责任。

The greater our achievements，the more we'd face up to our mistakes．我们的成绩越大，越要正视缺点。

He just can't face up to the fact that he's too old to work any more．他就是不能接受自己已经老了不能再继续工作这个事实。

She faced up to the problem with courage and foresight．她勇敢而有远见地面对这个问题。

face with . make somebody meet something  bad or difficult面临遭遇；碰到

Faced with the evidence，he confessed himself guilty．面对证据，他承认有罪。

The scientist was faced with many unknown factors.那位科学家遇到了许多未知的因素。

fade away . become gradually fainter；disappear slowly；lose one's strength逐渐减弱；慢慢消失；衰弱

The sound of cheering faded away in the distance．欢呼声在远处渐渐消失了。

They watched the airplane fading away into the mist．他们看着飞机消失在云雾中。

She became ill and slowly faded away．她生了病，身体便慢慢地衰弱下去。

The old man is just fading away.那个老人的身体在渐渐衰弱。

fade away . retreat or vanish quietly 悄悄地离开

He faded away quietly and we never saw him again．他悄悄地溜掉了，我们再也没有看到他。

He is an expert at fading away away when he isn't needed．他很善于在不需要他的时候悄悄地走开。

fag out . tired out；exhausted completely 使…劳累；使…极度疲劳

This work will fag me out．这个工作会使我精疲力尽。

I'm really fagged out．我实在太累了。

He was already fagged out when he climbed half way up the mountain．爬到半山腰的时候，他已经累得精疲力尽了。

fall about . laugh hysterically 狂笑

They were falling about．他们在狂笑。

We fell about when we saw his funny gestures．我们看到他那滑稽的动作不禁捧腹大笑。

 fall apart . break in pieces without force being used 破裂

This cup just fell apart in my hands．这杯子在我手中破裂了。

 fall apart . end in failure崩溃；倒台

With all these increasing costs， the business could fall apart.由于成本增加，这家商行可能倒闭。

 fall apart . separate in a relationship关系破裂

We used to be good friends， but fell apart about a year ago．我们过去是好友，可是大约一年前，关系破裂了。

fall behind . fail to keep up落后；跟不上

John fell behind in his studies and finally had to leave school．约翰学习跟不上，最后只好退学。

To be promoted or to fall behind is not a matter of salary but even more a matter of self-respect．升职或者落后不仅仅是薪金的问题，更重要的是自尊。

I don't want to fall behind in my studies．在学习上我不想落伍。

Diligence helps one to go forward，where as laziness makes one fall behind．勤奋使人上进，懒惰使人落后。

fall for . accept as true；be cheated by信以为真；受骗

You didn't fall for his sad story about his sick wife and children，did you？ He told that to everyone just to get sympathy！你没被他那套关于病妻弱子的鬼话所骗吧？他编造给大家听的目的只是为了得到同情。

Don't fall for his tricks！不要轻信他的伎俩！

fall for .become keen on； fall in love with热心于；迷恋；爱上

She fell for him in a big way．她非常喜欢他。

He fell for her at first sight．他对她一见钟情。

My wife always falls for the most expensive dresses in the shop！我妻子总是迷恋商店里最昂贵的衣服。

fall in . fall into something accidentally； drop into 掉入；跌入

The child was near the river and I was afraid he would fall in．孩子在河边，我怕他会掉进河里。

He plunged into the lake to rescue the child who'd fallen in．他跳进湖去救那个落水的孩子。

The water's deep here． Mind you don't fall in．这里水深，当心别跌进去。

fall in . sink inwards凹陷

Because of long illness his eyes fell in．由于长期生病，他的眼睛向里凹陷。

fall in . agree同意

Once the chairman had stated his decision，the rest of the committee fell in．主席一宣布决定，委员会的其余成员都表示同意。

He made a very good suggestion at the meeting and we fell in immediately.他在会上提出了一个非常好的建议，我们立即同意了。

fall in . （of a debt）become payable；expire（债务）到期；满期

The city's debts fall in at the end of this year and the council are worried about paying them．市府的公债年底到期，市政会正为如何偿还这笔债务发愁呢。

The lease of the land has fallen in．土地的租期满了。

fall in . get into line；form ranks站队；集合

He ordered the men to fall in．他命令士兵集合。

at eight o'clock the students fell in．八点钟学生们集合。