do sb.a favour ,give sb.an offer都表示：主動幫助某人
be of great value形容某物或做某事很有價值
have a word with sb.與某人交談
have no choice but to do sth別無選擇去做某事
put ...into practice 把...（通常是理論之類的）落實到行動/實踐之中
have an effect on對..產(chǎn)生影響
leave a message for sb給某人留了條信息/給某人留話
come into effect（政策、法案等）生效
be in use...正在被使用
make use of利用、使用
no point ：There is no point doing sth做某事毫無意義
no wonder：難怪
例句：It should be no wonderthatyou have notmasteredtheunderstanding of them all.Noone ever will.難怪大家沒有全部掌握并理解這些知識,因為根本就沒人能做得到嘛!
no doubt:
adv.無疑地；很可能地
例句：There is no doubt that he is a nice person.
no way不可能,沒門,決不
例句：Hischildrenandrelativesmightmoveaway toanothercity,and theremight benowayofearningenoughmoney.
他的孩子和親屬可能搬往其它城市,但是那里可能沒有辦法賺到足夠的錢.
There is no way to work out this problem by this Sunday.要想在這周末前解決這個問題,這是不可能的.