Tain =hold ,keep
abstain:[?b'stein] vi.戒(尤指酒), 戒除;弃权(不投票)
I abstain from voting. 我投票弃权。
contain :[k?n'tein]vt.包含; 容纳;控制, 抑制
The hall can contain two hundred people大厅可以容纳200人。
detain :[di'tein]vt.留住, 耽搁;拘留, 扣留
The bad weather detained us for several hours.恶劣的天气耽搁了我们几个小时。
entertain :[,ent?'tein]vt. & vi.款待, 招待vt.使欢乐, 使娱乐;抱有, 考虑
He entertains his guest very poorly. 他对客人很怠慢。
pertain [p?'tein] vi.关于, 有关
His remark did not pertain to the question.他的话同这个问题不相干。
retain [ri'tein] vt.保持; 保留;止住; 容纳
This village still retains its old world character.