1.share with sb sth or share sth with sb is fixed application.here the littli bit of knowledge of English is sth in the application.make it simpler,the little bit of English knowledge.here "little bit...here it uses would to express sb's emotions. it is following sb, here it is I.What emotion?表示人的情態(tài)，表示人的意愿Would you like analyze sentences ,it is my pleasure and good fortune to be able to contriube some thing to all this by sharingwith you the littli bit ofknowledge of English ,every component .I don't understand.Thank youvery much .中文意思就是：我很高興，并且幸運(yùn)（it is my pleasure and good fortune ），通過(guò)與你分享一點(diǎn)英語(yǔ)知識(shí)（by sharingwith you the littli bit ofknowledge of English），能為所有這些付出一些（ be able to contriube some thing to all this）。習(xí)慣用法包括：　it is one's pleasure to do sth高興做某事contribute sth to sth為某事付出share with sb sth.與某人分享某事（物）