overhaul
/ˌəuvəˈhɔ:l; ˌovɚ`hɔl/ v[Tn]
1 examine (sth) carefully and thoroughly and make any necessary repairs 彻底检修（某物）
have the engine of a car overhauled 检修汽车的发动机
(fig 比喻) The language syllabus needs to be completely overhauled. 那个语言教学大纲需全面修订.
2 catch up with and overtake (sth) 追上并超过（某事物）
The fast cruiser soon overhauled the old cargo boat. 快速巡逻艇迅即赶上那艘旧货船.
overhaul / ˈəuvəhɔ:l; `ovɚˌhɔl/ n thorough examinationfollowed by any necessary repairs 彻底检修; 大修
I've taken my typewriter in for an overhaul. 我已把打字机拿去彻底检修了.
The engine is due for an overhaul. 那台发动机该大修了.
(infml joc 口, 谑) I'm going to the doctor for my annual overhaul, ie physical examination. 我要到医生那里作年度身体检查.