想象做某事 imagine doing sth
站着不动 stand still
用同样的方式 in the same way
更喜欢 like sth better
小心（不）做某事 be careful to do sth
偶然遇上 run into
呼救 call for help
偶然 by coincidence,by chance,accidently,by accident
倚着墙 stand against the wall
一次两天的旅行 a two-day trip
结婚（瞬间）marry（动词）,get married,marriage(名词：婚姻）
被用于.be used to
要看情况而定 It depends.
求救 cry for help,seek help
对.了解 sb know sth very well
向某人解释.explain sth to sb
一支曲子 a piece of music
意思是 ……means,the meaning of …… is ……
盼望；期待 look forward to
买单；付款 pay the bill
希望工程 Project Hope
被攻击 be attacked
经过150年 after 150 years
发射 launch
到目前为止 so far,by now,up to now,up to present
为.树立好榜样 set (good) example to
占去；开始从事；拿起 take up
得20分 get 20 marks
成千上万 thousands of
..对...有好/坏影响 have a good/bad effect on