1.search for 搜索，搜寻
例句:The search for my brother widened.
对我弟弟的搜索范围扩大了。
2.take up 采取
例句:I know how busy you must be and naturally I wouldn't want to take up too much of your time.
我知道您肯定特别忙，我当然不想占用您太多的时间。
3.struggle to 挣扎
例句:Even the most intrepid World Cup fan will struggle to watch all48 first-round matches.
即使是世界杯最铁杆的球迷，要将首轮48场比赛一气看完，绝对是费心劳神的事。
4.need to 需要
例句:Most people recognise the need to pay a golden hello to attract the best.
大多数人都认识到需要用高额聘金来吸引精英人才。
