though和 and till的用法

though 虽然 即使 与 although 用法相同,但是,although 要比though语气强烈,两个词都引导让步状语从句,可放在句首,句尾,句中,也可做插入语。
though
conj.
1. 虽然;尽管
Though he is rich, his life is not happy.
他虽然很有钱,但生活并不幸福。
ad.
1. (一般放在句尾)然而,还是
It was a hard job, he took it though.
这是份苦差事,可他还是接受了。
and still 这个词，我才疏学浅，不知道有没有这个词
如果你说的是still
still 一直，还 放在句中，be 动词之后，行为动词也就是实意动词之前
ad.
1. 还,仍旧
Her grandmother is still living.
她祖母仍然健在。
They are still working in the fields.
他们还在田里工作。
2. 尽管如此,然而;(虽然...)还是
He is good-natured, still I don't like him.
他脾气很好,可是我还是不喜欢他。
3. (强调比较级)还要,更
It's hot today, but it'll be still hotter tomorrow.
今天很热,但明天会更热。
The sick child looks still worse today than yesterday.
那个病童的情况今天看起来比昨天更不妙。
4. 还有
a.
1. 静止的,不动的[F]
The little girl kept still in her chair watching TV.
小女孩一动不动地坐在椅子上看电视。
2. 没有风的
3. 寂静的;静默的;平静的
The lake is still today.
今天湖水十分平