1. lag behind 落后

If your payments of rent lag behind, you will be asked to leave.
你要是不能按時(shí)付房租，就要請(qǐng)你搬家。

Be modest, otherwise you will lag behind.
要謙虛，否則就要落后。

2. pragmatic 實(shí)際的,實(shí)用主義的

I would define him as a pragmatic realist,tough,disciplined,dedicated and willing to take responsibility.
我認(rèn)為他是一個(gè)講求實(shí)用的現(xiàn)實(shí)主義者，頑強(qiáng)不屈，嚴(yán)守紀(jì)律，有獻(xiàn)身精神，而且樂于負(fù)責(zé)。

Took a bookish rather than a pragmatic approach in solving the problem.
以書呆子氣的而不是務(wù)實(shí)的態(tài)度解決問題

3. impetus 動(dòng)力,推動(dòng)力

The historic strike gave an enormous impetus to the whole American labor movement.
這次歷史性的罷工對(duì)整個(gè)美國(guó)的勞工運(yùn)動(dòng)起了很大的推動(dòng)作用。

The present conflict may provide fresh impetus for peace talk.
目前的沖突可能會(huì)給和談提供新的推動(dòng)力。

4. lament 悲嘆,悔恨,慟哭

A poem or song composed especially as a lament for a deceased person.
挽歌，挽詩(shī)專門為悼念某一死者所寫的詩(shī)或歌。

Short pleasure, long lament.
【諺】痛快一時(shí)，痛苦一世。

5. spark 閃爍,閃光,使拿出朝氣