重點講解：
1. go up （價格、數(shù)量或水平）上漲，上升；
If costs go up, there will be a pro rata increase in prices.
如果成本增加，價格就會相應上漲b1^NllHJQ)Kp。
2. break down （討論、關系或系統(tǒng)）失敗，破裂，失靈；
Work came to a halt when the machine broke down.
機器一壞，工作便停了下來;J|1W]k)2qnMI#4。
3. fend for oneself 照料自己；自謀生計；
His parents agreed to pay the rent for his apartment but otherwise left him to fend for himself.
他的父母同意替他付房租，其他的則讓他自己解決LmJM9c*tUw1J|p。
4. in reality 事實上；實際上；
He came across as streetwise, but in reality he was not.
他給人的印象是很適應都市生活，但實際上并非如此-(2-K_eA-F。