help的`用法
1.help+(to) 帮助，帮忙
help 当动词用时，是指帮助、帮忙的意思。其后面可以接to，但通常也可省略。
例：She helped her (to) sit up in bed so she could hold her baby.
她扶她在床上坐起来，这样她就可以抱着宝宝了。
例：The drought has helped (to) make this a disastrous year for Somalia.
干旱使索马利亚今年祸不单行。
2.help + (with) 帮助、帮忙
help后面还可以接with，用来表示要帮助的那件事。
例：Her parents gave her some help with her bank loan.
她父母帮她还了一部分银行贷款。
3.help yourself 请自便
例：-Might I have some more food?
-Please, help yourself!
我能再吃些食物吗?请自便！
4.so help me God 上帝作证、我发誓、不管你信不信
例：So help me God, I am gonna get that job.
不管你信不信，我将得到那份工作。
5.can't help but 忍不住
can't help but是指控制不住、忍不住的意思。
例：He can't help but dance when he hears that song!
当他听到那首歌时，他忍不住跳舞！
例：I can't help crying when I see this movie.
当看我这部电影时，我忍不住哭了。