重點講解：
1. by design
有意地；故意地；蓄意地；
eg. The house caught fire by design rather than by accident.
房子起火是蓄意而非偶然dHkwjsRuy.ms。
eg. He made that remark by design.
他故意那樣說ux.@oZbq@[。
2. take care of
照顧；照看；看護；
eg. About 1,200 personnel will remain behind to take care of the air base.
大約會有1,200人留守看管這個空軍基地a1tgl_wzzR。
eg. I take care of both to the best of my ability.
我盡我所能把兩方面都照顧好T1D4yDp~GTeGCDmO#5E。
3. be keen on doing sth.
渴望的；熱切的；熱衷的；
eg. I'm not really keen on having a meal with her.
我其實不喜歡同她一起吃飯eFiv!a@gKz3jzGn(.MP。
eg. He is very keen on playing hockey.
他非常熱衷于打曲棍球m#4Ympt7t*=Itd-。
4. break down
（機器或車輛）出毛病，損壞；
eg. There was a fuss when the bus broke down again.
巴士又出故障時大家都抱怨起來oWq)bt0L[wz。
eg. My car's on its last legs — it keeps breaking down.
我的汽車快不行了——總出毛病.5wm(z1bYuh8idQLrKW。