1、depend
取决(于);有赖(于)
The cooking time needed depends on the size of the potato.
所需的烹饪时间取决于土豆的大小。
What happened later would depend on his talk with De Solina.
日后之事将有赖于他与德索利纳的谈话结果。
依靠;依赖
They may hate what he does but their survival depends on him.
他们或许讨厌他的营生，但他们要想活下来必须依靠他。
He depended on his writing for his income.
他靠写作赚取收入。
视情形而定;看情况
'But how long can you stay in the house?' – 'I don't know. It depends.'.
“但你能在这所房子里呆多久呢？”——“我不知道，这要看情况。”
It all depends on your definition of punk, doesn't it?
“这全视乎你对朋克摇滚乐的定义，不是吗？”
2、assume
假定;以为;假设
It is a misconception to assume that the two continents are similar.
关于这两块大陆相似的假设是一种误解。
If the package is wrapped well, we assume the contents are also wonderful.
如果包装精美，我们就会认为里面装的也是好东西。
掌管，夺取，取得（权力）；承担（责任）
Mr Cross will assume the role of Chief Executive with a team of four directors.
克劳斯先生将出任首席执行官，手下有4位经理。
If there is no president, power will be assumed by the most extremist forces.
如果没有主席，权力就会落入最极端的过激分子手中。
表现出（某种表情）；装出，做出（某种样子）
He contented himself by assuming an air of superiority.
他表现出一副高高在上的样子以获得自我满足。
Prue assumed a placatory tone of voice.
普吕以一种安慰人的语气说话。