重點講解：
1. make headway 前進(jìn)；取得進(jìn)展；
例句：There was concern in the city that police were making little headway in the investigation.
警方在調(diào)查中未能取得什么進(jìn)展，對此市民有些擔(dān)心tC-vz#CO%FLD527TbX。
2. due to 由于；因為；
例句：It was a real prize due to its rarity and good condition.
因為稀有并且品相完好，它價值連城3o81XTmty-+.e。
3. lack of 缺乏；不足；沒有；
例句：She wrinkled her nose, piqued by his total lack of enthusiasm.
她皺皺鼻子，為他毫無熱情而感到不快1AI#p@AmV9b=CAf。
4. too...to... 太……以致不能……；
例句：He's too spineless to ask for more money.
他沒有勇氣要求更多的錢1,M|j#_W(uLo_-w。
5. be expected to do sth. 預(yù)期；預(yù)料；
例句：A big hurricane is expected to hit this weekend.
本周末將有一場猛烈的颶風(fēng)襲來V#d^S-P.b!NEOQ。