fit in with . accord；harmonize；coincide符合；一致；协调；适应
This information does not fit in with what I was told yesterday．这消息和我昨天听到的不一致。
The expectations may not fit in with the results．估计与结果可能不相符。
We must fit our plan in with yours．我们的计划得和你们的一致。
Your ideas fit in with mine．你的想法和我的是一致的。
Our literature and art must fit in with our socialist economic base．我们的文学艺术必须和我国的社会主义经济基础相适应。
Our office fits in beautifully with its surroundings．我们的办公室跟周围的环境很协调，显得很漂亮。
fit in with . cooperate；get on with合作；和…相处得好
She tried to fit in with the others，but it was difficult．她力求与别人配合，但很难。
For years，he has fitted in well with his neighbours．多年来，他一直和邻居相处得很好。
How are you fitting in with your new colleagues in your new job？你在新的工作岗位上与新的同事合得来吗？
fit out . equip装备
The ship has been fitted out with a new engine．那船已安装了一个新的发动机。
We must fit the expedition out with the best equipment．我们必须给考察队最好的装备。
It is quite expensive nowadays to fit a child out with all he needs when he is going away to school．如今，当孩子离家上学时，为他准备所需的各种物品，花费是相当可观的。
The hotel was fitted out in the latest style of comfort．这家旅馆有舒适的最新设备。
fit up . fit together and place in position；install固定；安装
It took us about half an hour to fit up the apparatus．我们花了半小时左右安装了这个设备。
The new machine has been fitted up for a trial．这部新机器装配好了，准备试机。
The carpenter fitted up the wall cupboards．木匠装好了壁橱。
fit up . equip to serve a specific purpose为一定目的而布置；装置；配备
We fitted up one of the bedrooms as a study．我们将其中一间卧室布置成书房。
A shed at the back of the house was fitted up as a workshop．屋子后面的一间工棚被改成了一个车间。
They are to fit up that school with every modern convenience．他们用一切现代化设备来装备那个学校。
fit up . supply somebody 's needs；supply with necessaries供给；供给…必需物
His parents helped to fit him up for a long journey．他父母帮他准备长途旅行用的东西。
Could you fit me up with a new bike？你能给我配备一部新自行车吗？
John needs fitting up with a new hearing-aid．约翰需要买一只新助听器。
fix on . fix upon . make something stay firmly in place on固定
The tail is fixed on the model plane with nails，so it can't come off．尾部用钉子固定在飞机模型上，这样就不会脱落。
Can you fix this lid on？ it keeps coming off．你能把这盖子安上吗？它总掉。
Please fix on a new zip for me；the old one's broken．请替我装付新拉链，那付旧的坏了。
fix on . fix upon . choose；select选定
We've fixed on starting tomorrow．我们选定明天出发。
The date for the meeting has not yet been fixed upon．开会日期尚未决定。
They fixed on me to do the work．他们选我做这工作。
What makes you fix upon that book？你怎么会决定采用那本书的？
fix on . fix upon . determined on决定
Jim seems fixed on going abroad for his holiday．吉姆看来已决定出国度假。
fix on . fix upon . direct（one's eyes or attention）steadily at； focus one's gaze or attention on凝视；专心于
Mary kept her attention fixed upon the speaker．玛丽始终注意演讲者。
He fixed his eyes on me．他注视着我。
She fixed her affection on him．她钟情于他。
My father often told me to fix my attention on what I was doing．我父亲常常要我专心于我所做的事情。
fix on . fix upon . settle responsibility（authorship，blame，）判定责任
The crime was fixed on him．他被判有罪。