membership.
释义：n. 成员资格；会员全体；从属关系
They rejected his application for membership.
他们拒绝考虑他的成员资格申请。
lordship.
释义：n. 阁下；贵族权力；领地
If your Lordship will give me time, I will produce the evidence.
如果阁下愿意给我时间，我就能拿出证据来。
doctorship.
释义：博士学位
It is really a tough road to doctorship, maybe I am not qualified.I have to make every effort to do that.
考博很艰难啊，可能我水平不够，我要全力以赴去做。