大姐: big sister, elder sister, older sister (also polite term of address for a girl or woman slightly older than the speaker)...
账号: account, username...
直至: lasting until, up till (the present)...
守株待兔: to guard a tree-stump, waiting for rabbits (idiom), to wait idly for opportunities, to trust to chance rather than show initiative...
口头: oral, verbal...
着力: to put effort into sth, to try really hard...
劈: to split in two, to divide...
原先: originally, original, former...
生前: (of a deceased) during one's life, while living...
险: danger, dangerous, rugged...